---

{
    "title": "Internal Server Error",
    "status": 500,
    "detail": "Type: System.InvalidOperationException\r\nMessage: Sequence contains no elements.\r\nHResult: -2146233079\r\n\r\nStack Trace:\r\n   at lambda_method1439(Closure, QueryContext, DbDataReader, ResultContext, SingleQueryResultCoordinator)\r\n   at Microsoft.EntityFrameworkCore.Query.Internal.SingleQueryingEnumerable`1.Enumerator.MoveNext()\r\n   at System.Linq.Enumerable.TryGetSingle[TSource](IEnumerable`1 source, Boolean& found)\r\n   at lambda_method1437(Closure, QueryContext)\r\n   at Microsoft.EntityFrameworkCore.Query.Internal.QueryCompiler.ExecuteCore[TResult](Expression query, Boolean async, CancellationToken cancellationToken)\r\n   at Microsoft.EntityFrameworkCore.Query.Internal.QueryCompiler.Execute[TResult](Expression query)\r\n   at Microsoft.EntityFrameworkCore.Query.Internal.EntityQueryProvider.Execute[TResult](Expression expression)\r\n   at System.Linq.Queryable.Max[TSource,TResult](IQueryable`1 source, Expression`1 selector)\r\n   at Ved.Application.UseCases.AttributeRequestHandler.Command.Add.Handle(AttributeAddCommand req, CancellationToken cancellationToken) in C:\\Users\\SMizynchuk\\Documents\\telinfo\\telinfo-backend1\\telinfo-backend\\Projects\\Ved.Application\\UseCases\\AttributeRequestHandler\\Command\\Add.cs:line 29\r\n   at Ved.Infrastructure.Caching.CachingHandlerDecorator`2.Handle(TRequest request, CancellationToken cancellationToken)\r\n   at Ved.Infrastructure.Caching.CacheInvalidationBehavior`2.Handle(TRequest request, RequestHandlerDelegate`1 next, CancellationToken cancellationToken)\r\n   at Ved.Infrastructure.MediatRBehaviors.UserInfoInjectionBehavior`2.Handle(TRequest request, RequestHandlerDelegate`1 next, CancellationToken cancellationToken)\r\n   at MediatR.Pipeline.RequestExceptionProcessorBehavior`2.Handle(TRequest request, RequestHandlerDelegate`1 next, CancellationToken cancellationToken)\r\n   at MediatR.Pipeline.RequestExceptionProcessorBehavior`2.Handle(TRequest request, RequestHandlerDelegate`1 next, CancellationToken cancellationToken)\r\n   at MediatR.Pipeline.RequestExceptionActionProcessorBehavior`2.Handle(TRequest request, RequestHandlerDelegate`1 next, CancellationToken cancellationToken)\r\n   at MediatR.Pipeline.RequestExceptionActionProcessorBehavior`2.Handle(TRequest request, RequestHandlerDelegate`1 next, CancellationToken cancellationToken)\r\n   at MediatR.Pipeline.RequestPostProcessorBehavior`2.Handle(TRequest request, RequestHandlerDelegate`1 next, CancellationToken cancellationToken)\r\n   at MediatR.Pipeline.RequestPreProcessorBehavior`2.Handle(TRequest request, RequestHandlerDelegate`1 next, CancellationToken cancellationToken)\r\n   at Ved.PresentationOa.Endpoints.Base.EndpointBase.Send[TResult](IRequest`1 response, Func`1 mock, CancellationToken cancellationToken)\r\n   at Microsoft.AspNetCore.Http.RequestDelegateFactory.<TaskOfTToValueTaskOfObject>g__ExecuteAwaited|91_0[T](Task`1 task)\r\n   at Ved.PresentationOa.Filters.PermissionFilter.InvokeAsync(EndpointFilterInvocationContext context, EndpointFilterDelegate next) in C:\\Users\\SMizynchuk\\Documents\\telinfo\\telinfo-backend1\\telinfo-backend\\Projects\\Ved.PresentationOa\\Filters\\PermissionFilter.cs:line 83\r\n   at Microsoft.AspNetCore.Http.RequestDelegateFactory.<ExecuteValueTaskOfObject>g__ExecuteAwaited|128_0(ValueTask`1 valueTask, HttpContext httpContext, JsonTypeInfo`1 jsonTypeInfo)\r\n   at Microsoft.AspNetCore.Http.RequestDelegateFactory.<>c__DisplayClass101_2.<<HandleRequestBodyAndCompileRequestDelegateForJson>b__2>d.MoveNext()\r\n--- End of stack trace from previous location ---\r\n   at Swashbuckle.AspNetCore.SwaggerUI.SwaggerUIMiddleware.Invoke(HttpContext httpContext)\r\n   at Swashbuckle.AspNetCore.Swagger.SwaggerMiddleware.Invoke(HttpContext httpContext, ISwaggerProvider swaggerProvider)\r\n   at Ved.PresentationOa.Middleware.RequestLoggingMiddleware.Invoke(HttpContext context) in C:\\Users\\SMizynchuk\\Documents\\telinfo\\telinfo-backend1\\telinfo-backend\\Projects\\Ved.PresentationOa\\Middleware\\RequestLoggingMiddleware.cs:line 91\r\n   at Ved.PresentationOa.Middleware.SecurityLoggingMiddleware.InvokeAsync(HttpContext context) in C:\\Users\\SMizynchuk\\Documents\\telinfo\\telinfo-backend1\\telinfo-backend\\Projects\\Ved.PresentationOa\\Middleware\\SecurityLoggingMiddleware.cs:line 26\r\n   at Ved.PresentationOa.Middleware.ExceptionHandlingMiddleware.InvokeAsync(HttpContext context) in C:\\Users\\SMizynchuk\\Documents\\telinfo\\telinfo-backend1\\telinfo-backend\\Projects\\Ved.PresentationOa\\Middleware\\ExceptionHandlingMiddleware.cs:line 20\r\n",
    "type": "https://tools.ietf.org/html/rfc7231#section-6.6.1",
    "nestedErrors": null,
    "errors": {}
}