System.NullReferenceException: Object reference not set to an instance of an object. at BlockchainNews.Pages.AI.ToolModel.OnGet(String name) in C:\Users\user\source\repos\BlockchainNews - test-20240414\BlockchainNews\Pages\AI\Tool.cshtml.cs:line 219 at Microsoft.AspNetCore.Mvc.RazorPages.Infrastructure.ExecutorFactory.NonGenericTaskHandlerMethod.Execute(Object receiver, Object[] arguments) at Microsoft.AspNetCore.Mvc.RazorPages.Infrastructure.PageActionInvoker.InvokeHandlerMethodAsync() at Microsoft.AspNetCore.Mvc.RazorPages.Infrastructure.PageActionInvoker.InvokeNextPageFilterAsync() at Microsoft.AspNetCore.Mvc.RazorPages.Infrastructure.PageActionInvoker.Rethrow(PageHandlerExecutedContext context) at Microsoft.AspNetCore.Mvc.RazorPages.Infrastructure.PageActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted) at Microsoft.AspNetCore.Mvc.RazorPages.Infrastructure.PageActionInvoker.InvokeInnerFilterAsync() at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeNextResourceFilter>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.<InvokeAsync>g__Logged|17_1(ResourceInvoker invoker) at Microsoft.AspNetCore.Routing.EndpointMiddleware.<Invoke>g__AwaitRequestTask|6_0(Endpoint endpoint, Task requestTask, ILogger logger) at Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware.Invoke(HttpContext context) HEADERS ======= Accept: */* Accept-Encoding: deflate, gzip Host: blockchain.news Max-Forwards: 10 User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; SLCC1; .NET CLR 2.0.50727; .NET CLR 3.0.04506; .NET CLR 3.5.21022; .NET CLR 1.0.3705; .NET CLR 1.1.4322) X-ARR-LOG-ID: 12a5065d-0ae7-4990-bee0-87e7d4228054 CLIENT-IP: 8.222.208.146:38110 DISGUISED-HOST: blockchain.news 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=GeoTrust Global TLS RSA4096 SHA256 2022 CA1, O="DigiCert, Inc.", C=US|CN=blockchain.news X-Forwarded-TlsVersion: 1.2 X-Forwarded-For: 8.222.208.146:38110 X-Original-URL: /ai/NSFW X-WAWS-Unencoded-URL: /ai/NSFW