iisnode encountered an error when processing the request.

HRESULT: 0x6d
HTTP status: 500
HTTP subStatus: 1013
HTTP reason: Internal Server Error

You are receiving this HTTP 200 response because system.webServer/iisnode/@devErrorsEnabled configuration setting is 'true'.

In addition to the log of stdout and stderr of the node.exe process, consider using debugging and ETW traces to further diagnose the problem.

The last 64k of the output generated by the node.exe process to stderr is shown below:

ERROR HttpErrorResponse {
  headers: HttpHeaders {
    normalizedNames: Map(0) {},
    lazyUpdate: null,
    lazyInit: [Function (anonymous)]
  },
  status: 500,
  statusText: 'Internal Server Error',
  url: 'https://indiantrain.irapi.online/api/v2/LiveStation/apikey/c9b14556386b178bd3170c2a8d2196d7/StationCode/bui/hours/2/',
  ok: false,
  name: 'HttpErrorResponse',
  message: 'Http failure response for https://indiantrain.irapi.online/api/v2/LiveStation/apikey/c9b14556386b178bd3170c2a8d2196d7/StationCode/bui/hours/2/: 500 Internal Server Error',
  error: {
    Message: 'An error has occurred.',
    ExceptionMessage: "An error occurred when trying to create a controller of type 'ValuesController'. Make sure that the controller has a parameterless public constructor.",
    ExceptionType: 'System.InvalidOperationException',
    StackTrace: '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)\r\n' +
      '   at System.Web.Http.Controllers.HttpControllerDescriptor.CreateController(HttpRequestMessage request)\r\n' +
      '   at System.Web.Http.Dispatcher.HttpControllerDispatcher.<SendAsync>d__1.MoveNext()',
    InnerException: {
      Message: 'An error has occurred.',
      ExceptionMessage: 'Object reference not set to an instance of an object.',
      ExceptionType: 'System.NullReferenceException',
      StackTrace: '   at INDIANRAILAPI.Controllers.ValuesController..ctor() in I:\\LIVE-PROJECT\\INDIANRAILAPI\\Controllers\\ValuesController.cs:line 57\r\n' +
        '   at lambda_method(Closure )\r\n' +
        '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)'
    }
  }
}
ERROR HttpErrorResponse {
  headers: HttpHeaders {
    normalizedNames: Map(0) {},
    lazyUpdate: null,
    lazyInit: [Function (anonymous)]
  },
  status: 500,
  statusText: 'Internal Server Error',
  url: 'https://indiantrain.irapi.online/api/v2/SeatAvailability/apikey/c9b14556386b178bd3170c2a8d2196d7/trainnumber/12684/From/BAND/To/ERS/Date/20211208/Quota/GN/Class/SL',
  ok: false,
  name: 'HttpErrorResponse',
  message: 'Http failure response for https://indiantrain.irapi.online/api/v2/SeatAvailability/apikey/c9b14556386b178bd3170c2a8d2196d7/trainnumber/12684/From/BAND/To/ERS/Date/20211208/Quota/GN/Class/SL: 500 Internal Server Error',
  error: {
    Message: 'An error has occurred.',
    ExceptionMessage: "An error occurred when trying to create a controller of type 'ValuesController'. Make sure that the controller has a parameterless public constructor.",
    ExceptionType: 'System.InvalidOperationException',
    StackTrace: '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)\r\n' +
      '   at System.Web.Http.Controllers.HttpControllerDescriptor.CreateController(HttpRequestMessage request)\r\n' +
      '   at System.Web.Http.Dispatcher.HttpControllerDispatcher.<SendAsync>d__1.MoveNext()',
    InnerException: {
      Message: 'An error has occurred.',
      ExceptionMessage: 'Object reference not set to an instance of an object.',
      ExceptionType: 'System.NullReferenceException',
      StackTrace: '   at INDIANRAILAPI.Controllers.ValuesController..ctor() in I:\\LIVE-PROJECT\\INDIANRAILAPI\\Controllers\\ValuesController.cs:line 57\r\n' +
        '   at lambda_method(Closure )\r\n' +
        '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)'
    }
  }
}
ERROR HttpErrorResponse {
  headers: HttpHeaders {
    normalizedNames: Map(0) {},
    lazyUpdate: null,
    lazyInit: [Function (anonymous)]
  },
  status: 500,
  statusText: 'Internal Server Error',
  url: 'https://indiantrain.irapi.online/api/v2/SeatAvailability/apikey/c9b14556386b178bd3170c2a8d2196d7/trainnumber/16792/From/PGT/To/TEN/Date/20211208/Quota/GN/Class/SL',
  ok: false,
  name: 'HttpErrorResponse',
  message: 'Http failure response for https://indiantrain.irapi.online/api/v2/SeatAvailability/apikey/c9b14556386b178bd3170c2a8d2196d7/trainnumber/16792/From/PGT/To/TEN/Date/20211208/Quota/GN/Class/SL: 500 Internal Server Error',
  error: {
    Message: 'An error has occurred.',
    ExceptionMessage: "An error occurred when trying to create a controller of type 'ValuesController'. Make sure that the controller has a parameterless public constructor.",
    ExceptionType: 'System.InvalidOperationException',
    StackTrace: '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)\r\n' +
      '   at System.Web.Http.Controllers.HttpControllerDescriptor.CreateController(HttpRequestMessage request)\r\n' +
      '   at System.Web.Http.Dispatcher.HttpControllerDispatcher.<SendAsync>d__1.MoveNext()',
    InnerException: {
      Message: 'An error has occurred.',
      ExceptionMessage: 'Object reference not set to an instance of an object.',
      ExceptionType: 'System.NullReferenceException',
      StackTrace: '   at INDIANRAILAPI.Controllers.ValuesController..ctor() in I:\\LIVE-PROJECT\\INDIANRAILAPI\\Controllers\\ValuesController.cs:line 57\r\n' +
        '   at lambda_method(Closure )\r\n' +
        '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)'
    }
  }
}
ERROR HttpErrorResponse {
  headers: HttpHeaders {
    normalizedNames: Map(0) {},
    lazyUpdate: null,
    lazyInit: [Function (anonymous)]
  },
  status: 500,
  statusText: 'Internal Server Error',
  url: 'https://indiantrain.irapi.online/api/v2/SeatAvailability/apikey/c9b14556386b178bd3170c2a8d2196d7/trainnumber/12902/From/ADI/To/MMCT/Date/20211208/Quota/GN/Class/SL',
  ok: false,
  name: 'HttpErrorResponse',
  message: 'Http failure response for https://indiantrain.irapi.online/api/v2/SeatAvailability/apikey/c9b14556386b178bd3170c2a8d2196d7/trainnumber/12902/From/ADI/To/MMCT/Date/20211208/Quota/GN/Class/SL: 500 Internal Server Error',
  error: {
    Message: 'An error has occurred.',
    ExceptionMessage: "An error occurred when trying to create a controller of type 'ValuesController'. Make sure that the controller has a parameterless public constructor.",
    ExceptionType: 'System.InvalidOperationException',
    StackTrace: '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)\r\n' +
      '   at System.Web.Http.Controllers.HttpControllerDescriptor.CreateController(HttpRequestMessage request)\r\n' +
      '   at System.Web.Http.Dispatcher.HttpControllerDispatcher.<SendAsync>d__1.MoveNext()',
    InnerException: {
      Message: 'An error has occurred.',
      ExceptionMessage: 'Object reference not set to an instance of an object.',
      ExceptionType: 'System.NullReferenceException',
      StackTrace: '   at INDIANRAILAPI.Controllers.ValuesController..ctor() in I:\\LIVE-PROJECT\\INDIANRAILAPI\\Controllers\\ValuesController.cs:line 57\r\n' +
        '   at lambda_method(Closure )\r\n' +
        '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)'
    }
  }
}
ERROR TypeError: Cannot read property 'length' of null
    at SafeSubscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:4496916)
    at SafeSubscriber.__tryOrUnsub (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1253810)
    at SafeSubscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1252509)
    at Subscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1251168)
    at Subscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1250930)
    at MapSubscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:4314024)
    at MapSubscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1250930)
    at FilterSubscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:4438467)
    at FilterSubscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1250930)
    at MergeMapSubscriber.notifyNext (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:952764)
ERROR HttpErrorResponse {
  headers: HttpHeaders {
    normalizedNames: Map(0) {},
    lazyUpdate: null,
    lazyInit: [Function (anonymous)]
  },
  status: 500,
  statusText: 'Internal Server Error',
  url: 'https://indiantrain.irapi.online/api/v2/SeatAvailability/apikey/c9b14556386b178bd3170c2a8d2196d7/trainnumber/02881/From/PUNE/To/BBS/Date/20211208/Quota/GN/Class/2S',
  ok: false,
  name: 'HttpErrorResponse',
  message: 'Http failure response for https://indiantrain.irapi.online/api/v2/SeatAvailability/apikey/c9b14556386b178bd3170c2a8d2196d7/trainnumber/02881/From/PUNE/To/BBS/Date/20211208/Quota/GN/Class/2S: 500 Internal Server Error',
  error: {
    Message: 'An error has occurred.',
    ExceptionMessage: "An error occurred when trying to create a controller of type 'ValuesController'. Make sure that the controller has a parameterless public constructor.",
    ExceptionType: 'System.InvalidOperationException',
    StackTrace: '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)\r\n' +
      '   at System.Web.Http.Controllers.HttpControllerDescriptor.CreateController(HttpRequestMessage request)\r\n' +
      '   at System.Web.Http.Dispatcher.HttpControllerDispatcher.<SendAsync>d__1.MoveNext()',
    InnerException: {
      Message: 'An error has occurred.',
      ExceptionMessage: 'Object reference not set to an instance of an object.',
      ExceptionType: 'System.NullReferenceException',
      StackTrace: '   at INDIANRAILAPI.Controllers.ValuesController..ctor() in I:\\LIVE-PROJECT\\INDIANRAILAPI\\Controllers\\ValuesController.cs:line 57\r\n' +
        '   at lambda_method(Closure )\r\n' +
        '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)'
    }
  }
}
ERROR HttpErrorResponse {
  headers: HttpHeaders {
    normalizedNames: Map(0) {},
    lazyUpdate: null,
    lazyInit: [Function (anonymous)]
  },
  status: 500,
  statusText: 'Internal Server Error',
  url: 'https://indiantrain.irapi.online/api/v2/SeatAvailability/apikey/c9b14556386b178bd3170c2a8d2196d7/trainnumber/01198/From/CPR/To/LTT/Date/20211208/Quota/GN/Class/2S',
  ok: false,
  name: 'HttpErrorResponse',
  message: 'Http failure response for https://indiantrain.irapi.online/api/v2/SeatAvailability/apikey/c9b14556386b178bd3170c2a8d2196d7/trainnumber/01198/From/CPR/To/LTT/Date/20211208/Quota/GN/Class/2S: 500 Internal Server Error',
  error: {
    Message: 'An error has occurred.',
    ExceptionMessage: "An error occurred when trying to create a controller of type 'ValuesController'. Make sure that the controller has a parameterless public constructor.",
    ExceptionType: 'System.InvalidOperationException',
    StackTrace: '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)\r\n' +
      '   at System.Web.Http.Controllers.HttpControllerDescriptor.CreateController(HttpRequestMessage request)\r\n' +
      '   at System.Web.Http.Dispatcher.HttpControllerDispatcher.<SendAsync>d__1.MoveNext()',
    InnerException: {
      Message: 'An error has occurred.',
      ExceptionMessage: 'Object reference not set to an instance of an object.',
      ExceptionType: 'System.NullReferenceException',
      StackTrace: '   at INDIANRAILAPI.Controllers.ValuesController..ctor() in I:\\LIVE-PROJECT\\INDIANRAILAPI\\Controllers\\ValuesController.cs:line 57\r\n' +
        '   at lambda_method(Closure )\r\n' +
        '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)'
    }
  }
}
ERROR HttpErrorResponse {
  headers: HttpHeaders {
    normalizedNames: Map(0) {},
    lazyUpdate: null,
    lazyInit: [Function (anonymous)]
  },
  status: 500,
  statusText: 'Internal Server Error',
  url: 'https://indiantrain.irapi.online/api/v2/SeatAvailability/apikey/c9b14556386b178bd3170c2a8d2196d7/trainnumber/12870/From/HWH/To/CSMT/Date/20211208/Quota/GN/Class/SL',
  ok: false,
  name: 'HttpErrorResponse',
  message: 'Http failure response for https://indiantrain.irapi.online/api/v2/SeatAvailability/apikey/c9b14556386b178bd3170c2a8d2196d7/trainnumber/12870/From/HWH/To/CSMT/Date/20211208/Quota/GN/Class/SL: 500 Internal Server Error',
  error: {
    Message: 'An error has occurred.',
    ExceptionMessage: "An error occurred when trying to create a controller of type 'ValuesController'. Make sure that the controller has a parameterless public constructor.",
    ExceptionType: 'System.InvalidOperationException',
    StackTrace: '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)\r\n' +
      '   at System.Web.Http.Controllers.HttpControllerDescriptor.CreateController(HttpRequestMessage request)\r\n' +
      '   at System.Web.Http.Dispatcher.HttpControllerDispatcher.<SendAsync>d__1.MoveNext()',
    InnerException: {
      Message: 'An error has occurred.',
      ExceptionMessage: 'Object reference not set to an instance of an object.',
      ExceptionType: 'System.NullReferenceException',
      StackTrace: '   at INDIANRAILAPI.Controllers.ValuesController..ctor() in I:\\LIVE-PROJECT\\INDIANRAILAPI\\Controllers\\ValuesController.cs:line 57\r\n' +
        '   at lambda_method(Closure )\r\n' +
        '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)'
    }
  }
}
ERROR HttpErrorResponse {
  headers: HttpHeaders {
    normalizedNames: Map(0) {},
    lazyUpdate: null,
    lazyInit: [Function (anonymous)]
  },
  status: 500,
  statusText: 'Internal Server Error',
  url: 'https://indiantrain.irapi.online/api/v2/SeatAvailability/apikey/c9b14556386b178bd3170c2a8d2196d7/trainnumber/12311/From/HWH/To/KLK/Date/20211208/Quota/GN/Class/2S',
  ok: false,
  name: 'HttpErrorResponse',
  message: 'Http failure response for https://indiantrain.irapi.online/api/v2/SeatAvailability/apikey/c9b14556386b178bd3170c2a8d2196d7/trainnumber/12311/From/HWH/To/KLK/Date/20211208/Quota/GN/Class/2S: 500 Internal Server Error',
  error: {
    Message: 'An error has occurred.',
    ExceptionMessage: "An error occurred when trying to create a controller of type 'ValuesController'. Make sure that the controller has a parameterless public constructor.",
    ExceptionType: 'System.InvalidOperationException',
    StackTrace: '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)\r\n' +
      '   at System.Web.Http.Controllers.HttpControllerDescriptor.CreateController(HttpRequestMessage request)\r\n' +
      '   at System.Web.Http.Dispatcher.HttpControllerDispatcher.<SendAsync>d__1.MoveNext()',
    InnerException: {
      Message: 'An error has occurred.',
      ExceptionMessage: 'Object reference not set to an instance of an object.',
      ExceptionType: 'System.NullReferenceException',
      StackTrace: '   at INDIANRAILAPI.Controllers.ValuesController..ctor() in I:\\LIVE-PROJECT\\INDIANRAILAPI\\Controllers\\ValuesController.cs:line 57\r\n' +
        '   at lambda_method(Closure )\r\n' +
        '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)'
    }
  }
}
ERROR HttpErrorResponse {
  headers: HttpHeaders {
    normalizedNames: Map(0) {},
    lazyUpdate: null,
    lazyInit: [Function (anonymous)]
  },
  status: 500,
  statusText: 'Internal Server Error',
  url: 'https://indiantrain.irapi.online/api/v2/SeatAvailability/apikey/c9b14556386b178bd3170c2a8d2196d7/trainnumber/12873/From/HTE/To/ANVT/Date/20211208/Quota/GN/Class/SL',
  ok: false,
  name: 'HttpErrorResponse',
  message: 'Http failure response for https://indiantrain.irapi.online/api/v2/SeatAvailability/apikey/c9b14556386b178bd3170c2a8d2196d7/trainnumber/12873/From/HTE/To/ANVT/Date/20211208/Quota/GN/Class/SL: 500 Internal Server Error',
  error: {
    Message: 'An error has occurred.',
    ExceptionMessage: "An error occurred when trying to create a controller of type 'ValuesController'. Make sure that the controller has a parameterless public constructor.",
    ExceptionType: 'System.InvalidOperationException',
    StackTrace: '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)\r\n' +
      '   at System.Web.Http.Controllers.HttpControllerDescriptor.CreateController(HttpRequestMessage request)\r\n' +
      '   at System.Web.Http.Dispatcher.HttpControllerDispatcher.<SendAsync>d__1.MoveNext()',
    InnerException: {
      Message: 'An error has occurred.',
      ExceptionMessage: 'Object reference not set to an instance of an object.',
      ExceptionType: 'System.NullReferenceException',
      StackTrace: '   at INDIANRAILAPI.Controllers.ValuesController..ctor() in I:\\LIVE-PROJECT\\INDIANRAILAPI\\Controllers\\ValuesController.cs:line 57\r\n' +
        '   at lambda_method(Closure )\r\n' +
        '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)'
    }
  }
}
ERROR HttpErrorResponse {
  headers: HttpHeaders {
    normalizedNames: Map(0) {},
    lazyUpdate: null,
    lazyInit: [Function (anonymous)]
  },
  status: 500,
  statusText: 'Internal Server Error',
  url: 'https://indiantrain.irapi.online/api/v2/SeatAvailability/apikey/c9b14556386b178bd3170c2a8d2196d7/trainnumber/12311/From/HWH/To/KLK/Date/20211208/Quota/GN/Class/2S',
  ok: false,
  name: 'HttpErrorResponse',
  message: 'Http failure response for https://indiantrain.irapi.online/api/v2/SeatAvailability/apikey/c9b14556386b178bd3170c2a8d2196d7/trainnumber/12311/From/HWH/To/KLK/Date/20211208/Quota/GN/Class/2S: 500 Internal Server Error',
  error: {
    Message: 'An error has occurred.',
    ExceptionMessage: "An error occurred when trying to create a controller of type 'ValuesController'. Make sure that the controller has a parameterless public constructor.",
    ExceptionType: 'System.InvalidOperationException',
    StackTrace: '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)\r\n' +
      '   at System.Web.Http.Controllers.HttpControllerDescriptor.CreateController(HttpRequestMessage request)\r\n' +
      '   at System.Web.Http.Dispatcher.HttpControllerDispatcher.<SendAsync>d__1.MoveNext()',
    InnerException: {
      Message: 'An error has occurred.',
      ExceptionMessage: 'Object reference not set to an instance of an object.',
      ExceptionType: 'System.NullReferenceException',
      StackTrace: '   at INDIANRAILAPI.Controllers.ValuesController..ctor() in I:\\LIVE-PROJECT\\INDIANRAILAPI\\Controllers\\ValuesController.cs:line 57\r\n' +
        '   at lambda_method(Closure )\r\n' +
        '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)'
    }
  }
}
ERROR HttpErrorResponse {
  headers: HttpHeaders {
    normalizedNames: Map(0) {},
    lazyUpdate: null,
    lazyInit: [Function (anonymous)]
  },
  status: 500,
  statusText: 'Internal Server Error',
  url: 'https://indiantrain.irapi.online/api/v2/livetrainstatus/apikey/c9b14556386b178bd3170c2a8d2196d7/trainnumber/02348/date/20211208/Route/3/',
  ok: false,
  name: 'HttpErrorResponse',
  message: 'Http failure response for https://indiantrain.irapi.online/api/v2/livetrainstatus/apikey/c9b14556386b178bd3170c2a8d2196d7/trainnumber/02348/date/20211208/Route/3/: 500 Internal Server Error',
  error: {
    Message: 'An error has occurred.',
    ExceptionMessage: "An error occurred when trying to create a controller of type 'ValuesController'. Make sure that the controller has a parameterless public constructor.",
    ExceptionType: 'System.InvalidOperationException',
    StackTrace: '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)\r\n' +
      '   at System.Web.Http.Controllers.HttpControllerDescriptor.CreateController(HttpRequestMessage request)\r\n' +
      '   at System.Web.Http.Dispatcher.HttpControllerDispatcher.<SendAsync>d__1.MoveNext()',
    InnerException: {
      Message: 'An error has occurred.',
      ExceptionMessage: 'Object reference not set to an instance of an object.',
      ExceptionType: 'System.NullReferenceException',
      StackTrace: '   at INDIANRAILAPI.Controllers.ValuesController..ctor() in I:\\LIVE-PROJECT\\INDIANRAILAPI\\Controllers\\ValuesController.cs:line 57\r\n' +
        '   at lambda_method(Closure )\r\n' +
        '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)'
    }
  }
}
ERROR HttpErrorResponse {
  headers: HttpHeaders {
    normalizedNames: Map(0) {},
    lazyUpdate: null,
    lazyInit: [Function (anonymous)]
  },
  status: 500,
  statusText: 'Internal Server Error',
  url: 'https://indiantrain.irapi.online/api/v2/SeatAvailability/apikey/c9b14556386b178bd3170c2a8d2196d7/trainnumber/18609/From/RNC/To/LTT/Date/20211208/Quota/GN/Class/SL',
  ok: false,
  name: 'HttpErrorResponse',
  message: 'Http failure response for https://indiantrain.irapi.online/api/v2/SeatAvailability/apikey/c9b14556386b178bd3170c2a8d2196d7/trainnumber/18609/From/RNC/To/LTT/Date/20211208/Quota/GN/Class/SL: 500 Internal Server Error',
  error: {
    Message: 'An error has occurred.',
    ExceptionMessage: "An error occurred when trying to create a controller of type 'ValuesController'. Make sure that the controller has a parameterless public constructor.",
    ExceptionType: 'System.InvalidOperationException',
    StackTrace: '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)\r\n' +
      '   at System.Web.Http.Controllers.HttpControllerDescriptor.CreateController(HttpRequestMessage request)\r\n' +
      '   at System.Web.Http.Dispatcher.HttpControllerDispatcher.<SendAsync>d__1.MoveNext()',
    InnerException: {
      Message: 'An error has occurred.',
      ExceptionMessage: 'Object reference not set to an instance of an object.',
      ExceptionType: 'System.NullReferenceException',
      StackTrace: '   at INDIANRAILAPI.Controllers.ValuesController..ctor() in I:\\LIVE-PROJECT\\INDIANRAILAPI\\Controllers\\ValuesController.cs:line 57\r\n' +
        '   at lambda_method(Closure )\r\n' +
        '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)'
    }
  }
}
ERROR TypeError: Cannot read property '0' of undefined
    at SafeSubscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:4197216)
    at SafeSubscriber.__tryOrUnsub (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1253810)
    at SafeSubscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1252509)
    at Subscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1251168)
    at Subscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1250930)
    at MapSubscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:4314024)
    at MapSubscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1250930)
    at FilterSubscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:4438467)
    at FilterSubscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1250930)
    at MergeMapSubscriber.notifyNext (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:952764)
ERROR HttpErrorResponse {
  headers: HttpHeaders {
    normalizedNames: Map(0) {},
    lazyUpdate: null,
    lazyInit: [Function (anonymous)]
  },
  status: 500,
  statusText: 'Internal Server Error',
  url: 'https://indiantrain.irapi.online/api/v2/LiveStation/apikey/c9b14556386b178bd3170c2a8d2196d7/StationCode/mzq/hours/2/',
  ok: false,
  name: 'HttpErrorResponse',
  message: 'Http failure response for https://indiantrain.irapi.online/api/v2/LiveStation/apikey/c9b14556386b178bd3170c2a8d2196d7/StationCode/mzq/hours/2/: 500 Internal Server Error',
  error: {
    Message: 'An error has occurred.',
    ExceptionMessage: "An error occurred when trying to create a controller of type 'ValuesController'. Make sure that the controller has a parameterless public constructor.",
    ExceptionType: 'System.InvalidOperationException',
    StackTrace: '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)\r\n' +
      '   at System.Web.Http.Controllers.HttpControllerDescriptor.CreateController(HttpRequestMessage request)\r\n' +
      '   at System.Web.Http.Dispatcher.HttpControllerDispatcher.<SendAsync>d__1.MoveNext()',
    InnerException: {
      Message: 'An error has occurred.',
      ExceptionMessage: 'Object reference not set to an instance of an object.',
      ExceptionType: 'System.NullReferenceException',
      StackTrace: '   at INDIANRAILAPI.Controllers.ValuesController..ctor() in I:\\LIVE-PROJECT\\INDIANRAILAPI\\Controllers\\ValuesController.cs:line 57\r\n' +
        '   at lambda_method(Closure )\r\n' +
        '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)'
    }
  }
}
ERROR HttpErrorResponse {
  headers: HttpHeaders {
    normalizedNames: Map(0) {},
    lazyUpdate: null,
    lazyInit: [Function (anonymous)]
  },
  status: 500,
  statusText: 'Internal Server Error',
  url: 'https://indiantrain.irapi.online/api/v2/SeatAvailability/apikey/c9b14556386b178bd3170c2a8d2196d7/trainnumber/02065/From/AII/To/DEE/Date/20211208/Quota/GN/Class/2S',
  ok: false,
  name: 'HttpErrorResponse',
  message: 'Http failure response for https://indiantrain.irapi.online/api/v2/SeatAvailability/apikey/c9b14556386b178bd3170c2a8d2196d7/trainnumber/02065/From/AII/To/DEE/Date/20211208/Quota/GN/Class/2S: 500 Internal Server Error',
  error: {
    Message: 'An error has occurred.',
    ExceptionMessage: "An error occurred when trying to create a controller of type 'ValuesController'. Make sure that the controller has a parameterless public constructor.",
    ExceptionType: 'System.InvalidOperationException',
    StackTrace: '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)\r\n' +
      '   at System.Web.Http.Controllers.HttpControllerDescriptor.CreateController(HttpRequestMessage request)\r\n' +
      '   at System.Web.Http.Dispatcher.HttpControllerDispatcher.<SendAsync>d__1.MoveNext()',
    InnerException: {
      Message: 'An error has occurred.',
      ExceptionMessage: 'Object reference not set to an instance of an object.',
      ExceptionType: 'System.NullReferenceException',
      StackTrace: '   at INDIANRAILAPI.Controllers.ValuesController..ctor() in I:\\LIVE-PROJECT\\INDIANRAILAPI\\Controllers\\ValuesController.cs:line 57\r\n' +
        '   at lambda_method(Closure )\r\n' +
        '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)'
    }
  }
}
ERROR HttpErrorResponse {
  headers: HttpHeaders {
    normalizedNames: Map(0) {},
    lazyUpdate: null,
    lazyInit: [Function (anonymous)]
  },
  status: 500,
  statusText: 'Internal Server Error',
  url: 'https://indiantrain.irapi.online/api/v2/SeatAvailability/apikey/c9b14556386b178bd3170c2a8d2196d7/trainnumber/12877/From/RNC/To/NDLS/Date/20211208/Quota/GN/Class/3A',
  ok: false,
  name: 'HttpErrorResponse',
  message: 'Http failure response for https://indiantrain.irapi.online/api/v2/SeatAvailability/apikey/c9b14556386b178bd3170c2a8d2196d7/trainnumber/12877/From/RNC/To/NDLS/Date/20211208/Quota/GN/Class/3A: 500 Internal Server Error',
  error: {
    Message: 'An error has occurred.',
    ExceptionMessage: "An error occurred when trying to create a controller of type 'ValuesController'. Make sure that the controller has a parameterless public constructor.",
    ExceptionType: 'System.InvalidOperationException',
    StackTrace: '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)\r\n' +
      '   at System.Web.Http.Controllers.HttpControllerDescriptor.CreateController(HttpRequestMessage request)\r\n' +
      '   at System.Web.Http.Dispatcher.HttpControllerDispatcher.<SendAsync>d__1.MoveNext()',
    InnerException: {
      Message: 'An error has occurred.',
      ExceptionMessage: 'Object reference not set to an instance of an object.',
      ExceptionType: 'System.NullReferenceException',
      StackTrace: '   at INDIANRAILAPI.Controllers.ValuesController..ctor() in I:\\LIVE-PROJECT\\INDIANRAILAPI\\Controllers\\ValuesController.cs:line 57\r\n' +
        '   at lambda_method(Closure )\r\n' +
        '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)'
    }
  }
}
ERROR HttpErrorResponse {
  headers: HttpHeaders {
    normalizedNames: Map(0) {},
    lazyUpdate: null,
    lazyInit: [Function (anonymous)]
  },
  status: 500,
  statusText: 'Internal Server Error',
  url: 'https://indiantrain.irapi.online/api/v2/SeatAvailability/apikey/c9b14556386b178bd3170c2a8d2196d7/trainnumber/15022/From/GKP/To/SHM/Date/20211208/Quota/GN/Class/SL',
  ok: false,
  name: 'HttpErrorResponse',
  message: 'Http failure response for https://indiantrain.irapi.online/api/v2/SeatAvailability/apikey/c9b14556386b178bd3170c2a8d2196d7/trainnumber/15022/From/GKP/To/SHM/Date/20211208/Quota/GN/Class/SL: 500 Internal Server Error',
  error: {
    Message: 'An error has occurred.',
    ExceptionMessage: "An error occurred when trying to create a controller of type 'ValuesController'. Make sure that the controller has a parameterless public constructor.",
    ExceptionType: 'System.InvalidOperationException',
    StackTrace: '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)\r\n' +
      '   at System.Web.Http.Controllers.HttpControllerDescriptor.CreateController(HttpRequestMessage request)\r\n' +
      '   at System.Web.Http.Dispatcher.HttpControllerDispatcher.<SendAsync>d__1.MoveNext()',
    InnerException: {
      Message: 'An error has occurred.',
      ExceptionMessage: 'Object reference not set to an instance of an object.',
      ExceptionType: 'System.NullReferenceException',
      StackTrace: '   at INDIANRAILAPI.Controllers.ValuesController..ctor() in I:\\LIVE-PROJECT\\INDIANRAILAPI\\Controllers\\ValuesController.cs:line 57\r\n' +
        '   at lambda_method(Closure )\r\n' +
        '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)'
    }
  }
}
ERROR TypeError: Cannot read property 'length' of null
    at SafeSubscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:4496916)
    at SafeSubscriber.__tryOrUnsub (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1253810)
    at SafeSubscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1252509)
    at Subscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1251168)
    at Subscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1250930)
    at MapSubscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:4314024)
    at MapSubscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1250930)
    at FilterSubscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:4438467)
    at FilterSubscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1250930)
    at MergeMapSubscriber.notifyNext (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:952764)
ERROR TypeError: Cannot read property 'length' of null
    at SafeSubscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:4496916)
    at SafeSubscriber.__tryOrUnsub (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1253810)
    at SafeSubscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1252509)
    at Subscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1251168)
    at Subscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1250930)
    at MapSubscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:4314024)
    at MapSubscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1250930)
    at FilterSubscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:4438467)
    at FilterSubscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1250930)
    at MergeMapSubscriber.notifyNext (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:952764)
ERROR TypeError: Cannot read property 'length' of null
    at SafeSubscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:4496916)
    at SafeSubscriber.__tryOrUnsub (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1253810)
    at SafeSubscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1252509)
    at Subscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1251168)
    at Subscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1250930)
    at MapSubscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:4314024)
    at MapSubscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1250930)
    at FilterSubscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:4438467)
    at FilterSubscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1250930)
    at MergeMapSubscriber.notifyNext (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:952764)
ERROR TypeError: Cannot read property 'length' of null
    at SafeSubscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:4496916)
    at SafeSubscriber.__tryOrUnsub (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1253810)
    at SafeSubscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1252509)
    at Subscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1251168)
    at Subscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1250930)
    at MapSubscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:4314024)
    at MapSubscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1250930)
    at FilterSubscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:4438467)
    at FilterSubscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1250930)
    at MergeMapSubscriber.notifyNext (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:952764)
ERROR HttpErrorResponse {
  headers: HttpHeaders {
    normalizedNames: Map(0) {},
    lazyUpdate: null,
    lazyInit: [Function (anonymous)]
  },
  status: 500,
  statusText: 'Internal Server Error',
  url: 'https://indiantrain.irapi.online/api/v2/livetrainstatus/apikey/c9b14556386b178bd3170c2a8d2196d7/trainnumber/06729/date/20211208/Route/3/',
  ok: false,
  name: 'HttpErrorResponse',
  message: 'Http failure response for https://indiantrain.irapi.online/api/v2/livetrainstatus/apikey/c9b14556386b178bd3170c2a8d2196d7/trainnumber/06729/date/20211208/Route/3/: 500 Internal Server Error',
  error: {
    Message: 'An error has occurred.',
    ExceptionMessage: "An error occurred when trying to create a controller of type 'ValuesController'. Make sure that the controller has a parameterless public constructor.",
    ExceptionType: 'System.InvalidOperationException',
    StackTrace: '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)\r\n' +
      '   at System.Web.Http.Controllers.HttpControllerDescriptor.CreateController(HttpRequestMessage request)\r\n' +
      '   at System.Web.Http.Dispatcher.HttpControllerDispatcher.<SendAsync>d__1.MoveNext()',
    InnerException: {
      Message: 'An error has occurred.',
      ExceptionMessage: 'Object reference not set to an instance of an object.',
      ExceptionType: 'System.NullReferenceException',
      StackTrace: '   at INDIANRAILAPI.Controllers.ValuesController..ctor() in I:\\LIVE-PROJECT\\INDIANRAILAPI\\Controllers\\ValuesController.cs:line 57\r\n' +
        '   at lambda_method(Closure )\r\n' +
        '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)'
    }
  }
}
ERROR TypeError: Cannot read property 'length' of null
    at SafeSubscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:4496916)
    at SafeSubscriber.__tryOrUnsub (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1253810)
    at SafeSubscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1252509)
    at Subscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1251168)
    at Subscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1250930)
    at MapSubscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:4314024)
    at MapSubscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1250930)
    at FilterSubscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:4438467)
    at FilterSubscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1250930)
    at MergeMapSubscriber.notifyNext (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:952764)
ERROR HttpErrorResponse {
  headers: HttpHeaders {
    normalizedNames: Map(0) {},
    lazyUpdate: null,
    lazyInit: [Function (anonymous)]
  },
  status: 500,
  statusText: 'Internal Server Error',
  url: 'https://indiantrain.irapi.online/api/v2/SeatAvailability/apikey/c9b14556386b178bd3170c2a8d2196d7/trainnumber/19107/From/BVC/To/UHP/Date/20211208/Quota/GN/Class/SL',
  ok: false,
  name: 'HttpErrorResponse',
  message: 'Http failure response for https://indiantrain.irapi.online/api/v2/SeatAvailability/apikey/c9b14556386b178bd3170c2a8d2196d7/trainnumber/19107/From/BVC/To/UHP/Date/20211208/Quota/GN/Class/SL: 500 Internal Server Error',
  error: {
    Message: 'An error has occurred.',
    ExceptionMessage: "An error occurred when trying to create a controller of type 'ValuesController'. Make sure that the controller has a parameterless public constructor.",
    ExceptionType: 'System.InvalidOperationException',
    StackTrace: '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)\r\n' +
      '   at System.Web.Http.Controllers.HttpControllerDescriptor.CreateController(HttpRequestMessage request)\r\n' +
      '   at System.Web.Http.Dispatcher.HttpControllerDispatcher.<SendAsync>d__1.MoveNext()',
    InnerException: {
      Message: 'An error has occurred.',
      ExceptionMessage: 'Object reference not set to an instance of an object.',
      ExceptionType: 'System.NullReferenceException',
      StackTrace: '   at INDIANRAILAPI.Controllers.ValuesController..ctor() in I:\\LIVE-PROJECT\\INDIANRAILAPI\\Controllers\\ValuesController.cs:line 57\r\n' +
        '   at lambda_method(Closure )\r\n' +
        '   at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)'
    }
  }
}
ERROR TypeError: Cannot read property 'length' of null
    at SafeSubscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:4496916)
    at SafeSubscriber.__tryOrUnsub (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1253810)
    at SafeSubscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1252509)
    at Subscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1251168)
    at Subscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1250930)
    at MapSubscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:4314024)
    at MapSubscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1250930)
    at FilterSubscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:4438467)
    at FilterSubscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1250930)
    at MergeMapSubscriber.notifyNext (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:952764)
ERROR TypeError: Cannot read property 'length' of null
    at SafeSubscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:4496916)
    at SafeSubscriber.__tryOrUnsub (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1253810)
    at SafeSubscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1252509)
    at Subscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1251168)
    at Subscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1250930)
    at MapSubscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:4314024)
    at MapSubscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1250930)
    at FilterSubscriber._next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:4438467)
    at FilterSubscriber.next (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:1250930)
    at MergeMapSubscriber.notifyNext (C:\Inetpub\vhosts\indiantrain.in\httpdocs\main.js:1:952764)