System.InvalidOperationException: Sequence contains no elements at System.Linq.ThrowHelper.ThrowNoElementsException() at System.Linq.Enumerable.First[TSource](IEnumerable`1 source) at BlockchainNews.Blog.Controllers.BlogController.<>c__DisplayClass79_1.b__5(Post p) in C:\Users\user\Source\Repos\BlockchainNews\BlockchainNews\Controllers\BlogController.cs:line 0 at System.Linq.Enumerable.SelectListIterator`2.ToArray() at System.Linq.Buffer`1..ctor(IEnumerable`1 source) at System.Linq.OrderedEnumerable`1.ToList() at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source) at BlockchainNews.Blog.Controllers.BlogController.tabcontentredirect(String tabname, String page) in C:\Users\user\Source\Repos\BlockchainNews\BlockchainNews\Controllers\BlogController.cs:line 1908 at lambda_method(Closure , Object ) at Microsoft.Extensions.Internal.ObjectMethodExecutorAwaitable.Awaiter.GetResult() at Microsoft.AspNetCore.Mvc.Infrastructure.ActionMethodExecutor.TaskOfActionResultExecutor.Execute(IActionResultTypeMapper mapper, ObjectMethodExecutor executor, Object controller, Object[] arguments) at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.g__Logged|12_1(ControllerActionInvoker invoker) at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.g__Awaited|10_0(ControllerActionInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted) at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Rethrow(ActionExecutedContextSealed context) at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted) at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.InvokeInnerFilterAsync() --- End of stack trace from previous location where exception was thrown --- at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.g__Awaited|24_0(ResourceInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted) at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.Rethrow(ResourceExecutedContextSealed context) at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted) at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.InvokeFilterPipelineAsync() --- End of stack trace from previous location where exception was thrown --- at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.g__Logged|17_1(ResourceInvoker invoker) at Microsoft.AspNetCore.Routing.EndpointMiddleware.g__AwaitRequestTask|6_0(Endpoint endpoint, Task requestTask, ILogger logger) at Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware.Invoke(HttpContext context) HEADERS ======= Accept: */* Host: blockchainnews.azurewebsites.net Max-Forwards: 10 User-Agent: claudebot X-ARR-LOG-ID: 0f162701-709d-45a3-8786-7781dd9676c2 CLIENT-IP: 3.238.142.134:50522 DISGUISED-HOST: blockchainnews.azurewebsites.net X-SITE-DEPLOYMENT-ID: blockchainnews WAS-DEFAULT-HOSTNAME: blockchainnews.azurewebsites.net X-Forwarded-Proto: https X-AppService-Proto: https X-ARR-SSL: 2048|256|CN=Microsoft Azure RSA TLS Issuing CA 07, O=Microsoft Corporation, C=US|CN=*.azurewebsites.net, O=Microsoft Corporation, L=Redmond, S=WA, C=US X-Forwarded-TlsVersion: 1.3 X-Forwarded-For: 3.238.142.134:50522 X-Original-URL: /analysis?page=5 X-WAWS-Unencoded-URL: /analysis?page=5