System.ArgumentNullException: Value cannot be null. (Parameter 'language') at Omedya.Framework.Mvc.Filters.LanguageAttribute.LanguageSeoCodeFilter.AddLanguageSeo(String url, PathString pathBase, Language language) in C:\Users\Efe\Desktop\Works\core_cms_omedya\src\Omedya.Framework\Mvc\Filters\LanguageAttribute.cs:line 118 at Omedya.Framework.Mvc.Filters.LanguageAttribute.LanguageSeoCodeFilter.OnActionExecutionAsync(ActionExecutingContext context, ActionExecutionDelegate next) in C:\Users\Efe\Desktop\Works\core_cms_omedya\src\Omedya.Framework\Mvc\Filters\LanguageAttribute.cs:line 92 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 Omedya.Framework.Mvc.Middleware.UserContextMiddleware.Invoke(HttpContext context, IUserContext userContext) in C:\Users\Efe\Desktop\Works\core_cms_omedya\src\Omedya.Framework\Mvc\Middleware\UserContextMiddleware.cs:line 36 at Microsoft.AspNetCore.Authorization.AuthorizationMiddleware.Invoke(HttpContext context) at Microsoft.AspNetCore.Authentication.AuthenticationMiddleware.Invoke(HttpContext context) at Microsoft.AspNetCore.Localization.RequestLocalizationMiddleware.Invoke(HttpContext context) at Microsoft.AspNetCore.ResponseCompression.ResponseCompressionMiddleware.Invoke(HttpContext context) at NetEscapades.AspNetCore.SecurityHeaders.SecurityHeadersMiddleware.Invoke(HttpContext context) in /_/src/NetEscapades.AspNetCore.SecurityHeaders/SecurityHeadersMiddleware.cs:line 68 at Microsoft.AspNetCore.Diagnostics.StatusCodePagesMiddleware.Invoke(HttpContext context) at Microsoft.AspNetCore.Diagnostics.ExceptionHandlerMiddleware.g__Awaited|6_0(ExceptionHandlerMiddleware middleware, HttpContext context, Task task) at Microsoft.AspNetCore.Diagnostics.ExceptionHandlerMiddleware.HandleException(HttpContext context, ExceptionDispatchInfo edi) at Microsoft.AspNetCore.Diagnostics.ExceptionHandlerMiddleware.g__Awaited|6_0(ExceptionHandlerMiddleware middleware, HttpContext context, Task task) at Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware.Invoke(HttpContext context) HEADERS ======= Accept: */* Connection: close Host: www.omedya.com Referer: http://www.omedya.com/ExportToPdf.aspx?pageID=36&lng=tr User-Agent: claudebot