InvalidOperationException: Sekvencia neobsahuje žiadne prvky
System.Linq.Enumerable.Single (IEpočetné zdroj)
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InvalidOperationException: Sekvencia neobsahuje žiadne prvky
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System.Linq.Enumerable.Single (IEpočetné zdroj)
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lambda_method(Closure)
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Microsoft.EntityFrameworkCore.Query.Internal.LinqOperatorProvider+ResultEnumerable .GetEnumerator()
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Microsoft.EntityFrameworkCore.Query.Internal.LinqOperatorProvider._TrackEntities (IEpočetné výsledky, QueryContext queryContext, IList entityTrackingInfos, IList > entityAccessors)+MoveNext()
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Microsoft.EntityFrameworkCore.Query.Internal.LinqOperatorProvider+ExceptionInterceptor +EnumeratorExceptionInterceptor.MoveNext()
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System.Linq.Enumerable.TryGetFirst (IEpočetné zdroj, nájdený out bool)
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System.Linq.Enumerable.First (IEpočetné zdroj)
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Microsoft.EntityFrameworkCore.Query.Internal.QueryCompiler+<>c__DisplayClass15_1 . b__0(QueryContext qc)
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Microsoft.EntityFrameworkCore.Query.Internal.QueryCompiler.Execute (Dopyt na výraz)
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Microsoft.EntityFrameworkCore.Query.Internal.EntityQueryProvider.Execute (výrazový výraz)
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System.Linq.Queryable.Single (Dopytovateľné zdroj)
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BlockchainNews.Pages.PostModel.OnGet(ID reťazca, ID2 reťazca) v
news.cshtml.cs
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lambda_method(Uzavretie , objekt , objekt[] )
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Microsoft.AspNetCore.Mvc.RazorPages.Internal.ExecutorFactory+ActionResultHandlerMethod.Execute(prijímač objektu, argumenty objektu[])
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Microsoft.AspNetCore.Mvc.RazorPages.Internal.PageActionInvoker.InvokeHandlerMethodAsync()
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Microsoft.AspNetCore.Mvc.RazorPages.Internal.PageActionInvoker.InvokeNextPageFilterAsync()
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Microsoft.AspNetCore.Mvc.RazorPages.Internal.PageActionInvoker.Rethrow(PageHandlerExecutedContext context)
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Microsoft.AspNetCore.Mvc.RazorPages.Internal.PageActionInvoker.Next(ref State next, ref Scope scope, ref object state, ref bool isCompleted)
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Microsoft.AspNetCore.Mvc.RazorPages.Internal.PageActionInvoker.InvokeInnerFilterAsync()
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Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeNextResourceFilter()
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Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Rethrow(ResourceExecutedContext context)
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Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Next(ref State next, ref Scope scope, ref object state, ref bool isCompleted)
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Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeFilterPipelineAsync()
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Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeAsync()
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Microsoft.AspNetCore.Builder.RouterMiddleware.Invoke(HttpContext httpContext)
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Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware.Invoke(HttpContext context)
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System.InvalidOperationException: Sekvencia neobsahuje žiadne prvky na System.Linq.Enumerable.Single[TSource](IEnumerable`1 zdroj) na lambda_method(Closure ) na Microsoft.EntityFrameworkCore.Query.Internal.LinqOperatorProvider.ResultGetEnumerable.Microsoft. „ `1.EnumeratorExceptionInterceptor.MoveNext() na System.Linq.Enumerable.TryGetFirst[TSource](IEnumerable`1 zdroj, booleovský& nájdený) na System.Linq.Enumerable.First[TSource](IEnumerable`1 zdroj) na Microsoft.EntityFrameworkCore. Query.Internal.QueryCompiler.<>c__DisplayClass1_1`1. b__1(QueryContext qc) v Microsoft.EntityFrameworkCore.Query.Internal.QueryCompiler.Execute[TResult](Dopyt na výraz) v Microsoft.EntityFrameworkCore.Query.Internal.EntityQueryProvider.Execute[TResult](Výraz vo výraze.u.u System) na System Single[TSource](zdroj IQueryable`15) na BlockchainNews.Pages.PostModel.OnGet (ID reťazca, ID reťazca1) v D:\a\1\s\BlockchainNews\Pages\news.cshtml.cs:riadok 0 na lambda_method( Closure , Object , Object[] ) na Microsoft.AspNetCore.Mvc.RazorPages.Internal.ExecutorFactory.ActionResultHandlerMethod.Execute(Object receiver, Object[] arguments) na Microsoft.AspNetCore.Mvc.RazorPages.InhoderHandlerA Pg , Rozsah a rozsah, Objekt a stav, Boolean& isCompleted) na stránke Microsoft.AspNetCore.Mvc.RazorPages.Internal.PageActionInvoker.InvokeInnerFilterAsync() na adrese Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeNextResourceFilter() na adrese Microsoft.MvResourceFilter.ContextInsource.Resource.Resource. Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Next(Stav& ďalší, Rozsah& rozsah, Objekt& stav, Boolean& isCompleted) na Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeFilterPipelineAsync() na Microsoft.AspvNetCore.InvokeInsource.M. () na Microsoft.AspNetCore.Builder.RouterMiddleware.Invoke(HttpContext httpContext) na Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware.Invoke(HttpContext context)
Zdroj: https://blockchain.news/news/ftx-japan-prepares-refund