Tech

Internal Server Error

12/02/2022
Bitcoin Ethereum nyheter
Internal Server Error

InvalidOperationException: Sekvensen innehåller inga element

Bild

System.Linq.Enumerable.Single (IEnumerable källa)


  • InvalidOperationException: Sekvensen innehåller inga element


    • System.Linq.Enumerable.Single (IEnumerable källa)



    • lambda_method(Closure )



    • Microsoft.EntityFrameworkCore.Query.Internal.LinqOperatorProvider+ResultEnumerable .GetEnumerator()



    • Microsoft.EntityFrameworkCore.Query.Internal.LinqOperatorProvider._TrackEntities (IEnumerable resultat, QueryContext queryContext, IList entityTrackingInfos, IList > entityAccessors)+MoveNext()



    • Microsoft.EntityFrameworkCore.Query.Internal.LinqOperatorProvider+ExceptionInterceptor +EnumeratorExceptionInterceptor.MoveNext()



    • System.Linq.Enumerable.TryGetFirst (IEnumerable källa, out bool hittades)



    • System.Linq.Enumerable.First (IEnumerable källa)



    • Microsoft.EntityFrameworkCore.Query.Internal.QueryCompiler+<>c__DisplayClass15_1 . b__0(QueryContext qc)



    • Microsoft.EntityFrameworkCore.Query.Internal.QueryCompiler.Execute (Uttrycksfråga)



    • Microsoft.EntityFrameworkCore.Query.Internal.EntityQueryProvider.Execute (Uttrycksuttryck)



    • System.Linq.Queryable.Single (IQueryable källa)



    • BlockchainNews.Pages.PostModel.OnGet(sträng id, sträng id2) i news.cshtml.cs



    • lambda_metod(Stängning , objekt , objekt[] )



    • Microsoft.AspNetCore.Mvc.RazorPages.Internal.ExecutorFactory+ActionResultHandlerMethod.Execute(objektmottagare, objekt[]-argument)



    • Microsoft.AspNetCore.Mvc.RazorPages.Internal.PageActionInvoker.InvokeHandlerMethodAsync()



    • Microsoft.AspNetCore.Mvc.RazorPages.Internal.PageActionInvoker.InvokeNextPageFilterAsync()



    • Microsoft.AspNetCore.Mvc.RazorPages.Internal.PageActionInvoker.Rethrow(PageHandlerExecutedContext context)



    • Microsoft.AspNetCore.Mvc.RazorPages.Internal.PageActionInvoker.Next(ref State next, ref Scope scope, ref object state, ref bool isCompleted)



    • Microsoft.AspNetCore.Mvc.RazorPages.Internal.PageActionInvoker.InvokeInnerFilterAsync()



    • Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeNextResourceFilter()



    • Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Rethrow(ResourceExecutedContext-kontext)



    • Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Next(ref State next, ref Scope scope, ref object state, ref bool isCompleted)



    • Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeFilterPipelineAsync()



    • Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeAsync()



    • Microsoft.AspNetCore.Builder.RouterMiddleware.Invoke(HttpContext httpContext)



    • Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware.Invoke(HttpContext context)




  • System.InvalidOperationException: Sequence innehåller inga element i System.Linq.Enumerable.Single[TSource](IEnumerable`1 source) vid lambda_method(Closure ) på Microsoft.EntityFrameworkCore.Query.Internal.LinqOperatorProvider.ResultEnumerable`1.GetEnumerable`1. .EntityFrameworkCore.Query.Internal.LinqOperatorProvider._TrackEntities[TOut,TIn](IEnumerable`1 results, QueryContext queryContext, IList`1 entityTrackingInfos, IList`1 entityAccessors)+MoveNext.Interception.Interqme... `1.EnumeratorExceptionInterceptor.MoveNext() på System.Linq.Enumerable.TryGetFirst[TSource](IEnumerable`1 källa, Boolean& hittades) på System.Linq.Enumerable.First[TSource](IEnumerable`15 source) på Microsoft.EntityFrameworkCore. Query.Internal.QueryCompiler.<>c__DisplayClass1_1`0. b__1(QueryContext qc) på Microsoft.EntityFrameworkCore.Query.Internal.QueryCompiler.Execute[TResult](Expression query) på Microsoft.EntityFrameworkCore.Query.Internal.EntityQueryProvider.Execute[TResult](Expression expression.Query.L.inq.Query Single[TSource](IQueryable`2 source) på BlockchainNews.Pages.PostModel.OnGet(String id, String id1) i D:\a\75\s\BlockchainNews\Pages\news.cshtml.cs:line XNUMX at lambda_method( Closure , Object , Object[] ) på Microsoft.AspNetCore.Mvc.RazorPages.Internal.ExecutorFactory.ActionResultHandlerMethod.Execute(Objektmottagare, Object[] argument) på Microsoft.AspNetCore.Mvc.RazorPages.Internal.PageInvoc Microsoft.AspNetCore.Mvc.RazorPages.Internal.PageActionInvoker.InvokeNextPageFilterAsync() på Microsoft.AspNetCore.Mvc.RazorPages.Internal.PageActionInvoker.Rethrow(PageHandlerExecutedContextSpNet) på Microsoft.Raz.Next.Next.Next , Omfattning & omfattning, Objekt& tillstånd, Boolean& isCompleted) på Microsoft.AspNetCore.Mvc.RazorPages.Internal.PageActionInvoker.InvokeInnerFilterAsync() på Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeNextResourceFilter() på Microsoft.Aspsource.InternCore.Contexte Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Next(State& nästa, Scope& scope, Object& state, Boolean& isCompleted) på Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeFilterPipelineAsync() på Microsoft.AspNetCore.Invore.sync. () på Microsoft.AspNetCore.Builder.RouterMiddleware.Invoke(HttpContext httpContext) på Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware.Invoke(HttpContext context)








Källa: https://blockchain.news/news/ftx-japan-prepares-refund