System.NullReferenceException: Object reference not set to an instance of an object. at Mavercloud.Bpg.Application.Services.JournalService.d__84.MoveNext() in D:\MaverStation\WorkShop\BaiShiDeng\Wjgnet\BsdWebApp\Mavercloud.Bpg.Application\Services\JournalService.cs:line 1498 --- 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 BsdWeb.Utility.Services.ServiceHelper.d__10`1.MoveNext() in D:\MaverStation\WorkShop\BaiShiDeng\Wjgnet\BsdWebApp\BsdWeb.Utility\Services\ServiceHelper.cs:line 0 --- 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 BsdWeb.Utility.Services.BsdRestService.d__35.MoveNext() in D:\MaverStation\WorkShop\BaiShiDeng\Wjgnet\BsdWebApp\BsdWeb.Utility\Services\BsdRestService.cs:line 486 --- 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 BsdWebApp.Controllers.JournalController.