An unhandled exception occurred while processing the request.

• NullReferenceException: Object reference not set to an instance of an object.

  • AspNetCore._Views_Article_Details_cshtml+<ExecuteAsync>d__31.MoveNext() in Details.cshtml

    1. @model ArticleViewModel
    2. @{

    3. ViewBag.Title = Model.Title;

    4. ViewBag.Description = Model.Abstract;
    6. }
    7. <style>
    8. .rtl .text-right, [dir="rtl"] .text-right {
    9. text-align: right !important;

  • System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()

  • System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)

  • Microsoft.AspNetCore.Mvc.Razor.RazorView+<RenderPageAsync>d__14.MoveNext()

  • System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()

  • System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)

  • Microsoft.AspNetCore.Mvc.Razor.RazorView+<RenderAsync>d__13.MoveNext()

  • System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()

  • System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)

  • Microsoft.AspNetCore.Mvc.ViewFeatures.ViewExecutor+<ExecuteAsync>d__18.MoveNext()

  • System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()

  • System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)

  • Microsoft.AspNetCore.Mvc.ViewResult+<ExecuteResultAsync>d__26.MoveNext()

  • System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()

  • System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)

  • Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker+<InvokeResultAsync>d__32.MoveNext()

  • System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()

  • System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)

  • Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker+<InvokeResultFilterAsync>d__31.MoveNext()

  • System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()

  • Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker+<InvokeAllResultFiltersAsync>d__29.MoveNext()

  • System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()

  • System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)

  • Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker+<InvokeResourceFilterAsync>d__23.MoveNext()

  • System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()

  • Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker+<InvokeAsync>d__18.MoveNext()

  • System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()

  • System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)

  • Microsoft.AspNetCore.Builder.RouterMiddleware+<Invoke>d__4.MoveNext()

  • System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()

  • System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)

  • Microsoft.AspNetCore.Builder.Extensions.MapMiddleware+<Invoke>d__3.MoveNext()

  • System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()

  • System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)

  • Microsoft.AspNetCore.Session.SessionMiddleware+<Invoke>d__9.MoveNext()

  • System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()

  • Microsoft.AspNetCore.Session.SessionMiddleware+<Invoke>d__9.MoveNext()

  • System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()

  • System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)

  • Microsoft.AspNetCore.Authentication.AuthenticationMiddleware+<Invoke>d__18.MoveNext()

  • System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()

  • Microsoft.AspNetCore.Authentication.AuthenticationMiddleware+<Invoke>d__18.MoveNext()

  • System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()

  • System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)

  • Microsoft.AspNetCore.Authentication.AuthenticationMiddleware+<Invoke>d__18.MoveNext()

  • System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()

  • Microsoft.AspNetCore.Authentication.AuthenticationMiddleware+<Invoke>d__18.MoveNext()

  • System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()

  • System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)

  • Microsoft.AspNetCore.Authentication.AuthenticationMiddleware+<Invoke>d__18.MoveNext()

  • System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()

  • Microsoft.AspNetCore.Authentication.AuthenticationMiddleware+<Invoke>d__18.MoveNext()

  • System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()

  • System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)

  • Microsoft.AspNetCore.Authentication.AuthenticationMiddleware+<Invoke>d__18.MoveNext()

  • System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()

  • Microsoft.AspNetCore.Authentication.AuthenticationMiddleware+<Invoke>d__18.MoveNext()

  • System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()

  • System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)

  • Backload.MiddleWare.Backload+<Invoke>d__11.MoveNext()

  • System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()

  • System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)

  • Microsoft.ApplicationInsights.AspNetCore.ExceptionTrackingMiddleware+<Invoke>d__4.MoveNext()

  • System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()

  • System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)

  • Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware+<Invoke>d__6.MoveNext()

• 
  
  Show raw exception details

  System.NullReferenceException: Object reference not set to an instance of an object.
     at AspNetCore._Views_Article_Details_cshtml.<ExecuteAsync>d__31.MoveNext() in /Views/Article/Details.cshtml:line 3
  --- End of stack trace from previous location where exception was thrown ---
     at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
     at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
     at Microsoft.AspNetCore.Mvc.Razor.RazorView.<RenderPageAsync>d__14.MoveNext()
  --- End of stack trace from previous location where exception was thrown ---
     at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
     at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
     at Microsoft.AspNetCore.Mvc.Razor.RazorView.<RenderAsync>d__13.MoveNext()
  --- End of stack trace from previous location where exception was thrown ---
     at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
     at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
     at Microsoft.AspNetCore.Mvc.ViewFeatures.ViewExecutor.<ExecuteAsync>d__18.MoveNext()
  --- End of stack trace from previous location where exception was thrown ---
     at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
     at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
     at Microsoft.AspNetCore.Mvc.ViewResult.<ExecuteResultAsync>d__26.MoveNext()
  --- End of stack trace from previous location where exception was thrown ---
     at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
     at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
     at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.<InvokeResultAsync>d__32.MoveNext()
  --- End of stack trace from previous location where exception was thrown ---
     at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
     at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
     at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.<InvokeResultFilterAsync>d__31.MoveNext()
  --- End of stack trace from previous location where exception was thrown ---
     at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
     at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.<InvokeAllResultFiltersAsync>d__29.MoveNext()
  --- End of stack trace from previous location where exception was thrown ---
     at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
     at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
     at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.<InvokeResourceFilterAsync>d__23.MoveNext()
  --- End of stack trace from previous location where exception was thrown ---
     at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
     at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.<InvokeAsync>d__18.MoveNext()
  --- End of stack trace from previous location where exception was thrown ---
     at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
     at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
     at Microsoft.AspNetCore.Builder.RouterMiddleware.<Invoke>d__4.MoveNext()
  --- End of stack trace from previous location where exception was thrown ---
     at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
     at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
     at Microsoft.AspNetCore.Builder.Extensions.MapMiddleware.<Invoke>d__3.MoveNext()
  --- End of stack trace from previous location where exception was thrown ---
     at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
     at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
     at Microsoft.AspNetCore.Session.SessionMiddleware.<Invoke>d__9.MoveNext()
  --- End of stack trace from previous location where exception was thrown ---
     at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
     at Microsoft.AspNetCore.Session.SessionMiddleware.<Invoke>d__9.MoveNext()
  --- End of stack trace from previous location where exception was thrown ---
     at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
     at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
     at Microsoft.AspNetCore.Authentication.AuthenticationMiddleware`1.<Invoke>d__18.MoveNext()
  --- End of stack trace from previous location where exception was thrown ---
     at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
     at Microsoft.AspNetCore.Authentication.AuthenticationMiddleware`1.<Invoke>d__18.MoveNext()
  --- End of stack trace from previous location where exception was thrown ---
     at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
     at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
     at Microsoft.AspNetCore.Authentication.AuthenticationMiddleware`1.<Invoke>d__18.MoveNext()
  --- End of stack trace from previous location where exception was thrown ---
     at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
     at Microsoft.AspNetCore.Authentication.AuthenticationMiddleware`1.<Invoke>d__18.MoveNext()
  --- End of stack trace from previous location where exception was thrown ---
     at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
     at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
     at Microsoft.AspNetCore.Authentication.AuthenticationMiddleware`1.<Invoke>d__18.MoveNext()
  --- End of stack trace from previous location where exception was thrown ---
     at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
     at Microsoft.AspNetCore.Authentication.AuthenticationMiddleware`1.<Invoke>d__18.MoveNext()
  --- End of stack trace from previous location where exception was thrown ---
     at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
     at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
     at Microsoft.AspNetCore.Authentication.AuthenticationMiddleware`1.<Invoke>d__18.MoveNext()
  --- End of stack trace from previous location where exception was thrown ---
     at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
     at Microsoft.AspNetCore.Authentication.AuthenticationMiddleware`1.<Invoke>d__18.MoveNext()
  --- End of stack trace from previous location where exception was thrown ---
     at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
     at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
     at Backload.MiddleWare.Backload.<Invoke>d__11.MoveNext()
  --- End of stack trace from previous location where exception was thrown ---
     at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
     at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
     at Microsoft.ApplicationInsights.AspNetCore.ExceptionTrackingMiddleware.<Invoke>d__4.MoveNext()
  --- End of stack trace from previous location where exception was thrown ---
     at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
     at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
     at Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware.<Invoke>d__6.MoveNext()

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