.NET 9 on IIS 10 [I also don't know what to call this error]

[mrreddevil2412]

1026 2 0 0x80000000000000 260825075 Application WIN[-](https://github.com/dotnet/aspnetcore/issues/new?template=Blank+issue#)3TC5I0DIKL9 - Application: w3wp.exe CoreCLR Version: 9.0.24.52809 .NET Version: 9.0.0 Description: The process was terminated due to an unhandled exception. Stack: at Microsoft.AspNetCore.Server.IIS.NativeMethods.http_flush_response_bytes(Microsoft.AspNetCore.Server.IIS.Core.NativeSafeHandle, Boolean, Boolean ByRef) at Microsoft.AspNetCore.Server.IIS.Core.IO.AsyncIOEngine+AsyncFlushOperation.InvokeOperation(Int32 ByRef, Int32 ByRef) at Microsoft.AspNetCore.Server.IIS.Core.IO.AsyncIOOperation.Invoke() at Microsoft.AspNetCore.Server.IIS.Core.IO.AsyncIOEngine.Run(Microsoft.AspNetCore.Server.IIS.Core.IO.AsyncIOOperation) at Microsoft.AspNetCore.Server.IIS.Core.IO.AsyncIOEngine.FlushAsync(Boolean) at Microsoft.AspNetCore.Server.IIS.Core.IISHttpContext+d__455.MoveNext() at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Microsoft.AspNetCore.Server.IIS.Core.IISHttpContext+d__455, Microsoft.AspNetCore.Server.IIS, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]].ExecutionContextCallback(System.Object) at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Microsoft.AspNetCore.Server.IIS.Core.IISHttpContext+d__455, Microsoft.AspNetCore.Server.IIS, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]].MoveNext(System.Threading.Thread) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Microsoft.AspNetCore.Server.IIS.Core.IISHttpContext+d__455, Microsoft.AspNetCore.Server.IIS, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]].MoveNext() at System.IO.Pipelines.Pipe.FlushAsync(System.Threading.CancellationToken) at Microsoft.AspNetCore.Server.IIS.Core.OutputProducer.FlushNowAsync(System.IO.Pipelines.PipeWriter, System.Threading.CancellationToken) at Microsoft.AspNetCore.Server.IIS.Core.OutputProducer.FlushAsync(System.IO.Pipelines.PipeWriter, System.Threading.CancellationToken) at Microsoft.AspNetCore.Server.IIS.Core.OutputProducer.WriteAsync(System.ReadOnlyMemory`1, System.Threading.CancellationToken) at Microsoft.AspNetCore.Server.IIS.Core.IISHttpContext+<>c__DisplayClass452_0+<g__WriteFirstAsync|0>d.MoveNext() at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[[Microsoft.AspNetCore.Server.IIS.Core.IISHttpContext+<>c__DisplayClass452_0+<g__WriteFirstAsync|0>d, Microsoft.AspNetCore.Server.IIS, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]](<g__WriteFirstAsync|0>d ByRef) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.Start[[Microsoft.AspNetCore.Server.IIS.Core.IISHttpContext+<>c__DisplayClass452_0+<g__WriteFirstAsync|0>d, Microsoft.AspNetCore.Server.IIS, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]](<g__WriteFirstAsync|0>d ByRef) at Microsoft.AspNetCore.Server.IIS.Core.IISHttpContext+<>c__DisplayClass452_0.g__WriteFirstAsync|0() at Microsoft.AspNetCore.Server.IIS.Core.HttpResponseStream.WriteAsync(System.ReadOnlyMemory`1, System.Threading.CancellationToken) at System.IO.Pipelines.StreamPipeWriter+d__39.MoveNext() at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[[System.IO.Pipelines.StreamPipeWriter+d__39, System.IO.Pipelines, Version=9.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51]](d__39 ByRef) at System.Runtime.CompilerServices.PoolingAsyncValueTaskMethodBuilder`1[[System.IO.Pipelines.FlushResult, System.IO.Pipelines, Version=9.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51]].Start[[System.IO.Pipelines.StreamPipeWriter+d__39, System.IO.Pipelines, Version=9.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51]](d__39 ByRef) at System.IO.Pipelines.StreamPipeWriter.FlushAsyncInternal(Boolean, System.ReadOnlyMemory`1, System.Threading.CancellationToken) at System.IO.Pipelines.StreamPipeWriter.WriteAsync(System.ReadOnlyMemory`1, System.Threading.CancellationToken) at IMEX.CORE.Https.FluentHttpResponseStream.WriteAsync(Byte[], Int32, Int32, System.Threading.CancellationToken) at System.IO.Stream.WriteAsync(System.ReadOnlyMemory`1, System.Threading.CancellationToken) at System.IO.Pipelines.StreamPipeWriter+d__39.MoveNext() at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[[System.IO.Pipelines.StreamPipeWriter+d__39, System.IO.Pipelines, Version=9.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51]](d__39 ByRef) at System.Runtime.CompilerServices.PoolingAsyncValueTaskMethodBuilder`1[[System.IO.Pipelines.FlushResult, System.IO.Pipelines, Version=9.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51]].Start[[System.IO.Pipelines.StreamPipeWriter+d__39, System.IO.Pipelines, Version=9.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51]](d__39 ByRef) at System.IO.Pipelines.StreamPipeWriter.FlushAsyncInternal(Boolean, System.ReadOnlyMemory`1, System.Threading.CancellationToken) at System.IO.Pipelines.StreamPipeWriter.WriteAsync(System.ReadOnlyMemory`1, System.Threading.CancellationToken) at Microsoft.AspNetCore.WebUtilities.PagedByteBuffer+d__21.MoveNext() at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[[Microsoft.AspNetCore.WebUtilities.PagedByteBuffer+d__21, Microsoft.AspNetCore.WebUtilities, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]](d__21 ByRef) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.Start[[Microsoft.AspNetCore.WebUtilities.PagedByteBuffer+d__21, Microsoft.AspNetCore.WebUtilities, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]](d__21 ByRef) at Microsoft.AspNetCore.WebUtilities.PagedByteBuffer.MoveToAsync(System.IO.Pipelines.PipeWriter, System.Threading.CancellationToken) at Microsoft.AspNetCore.WebUtilities.FileBufferingWriteStream+d__40.MoveNext() at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[[Microsoft.AspNetCore.WebUtilities.FileBufferingWriteStream+d__40, Microsoft.AspNetCore.WebUtilities, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]](d__40 ByRef) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.Start[[Microsoft.AspNetCore.WebUtilities.FileBufferingWriteStream+d__40, Microsoft.AspNetCore.WebUtilities, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]](d__40 ByRef) at Microsoft.AspNetCore.WebUtilities.FileBufferingWriteStream.DrainBufferAsync(System.IO.Pipelines.PipeWriter, System.Threading.CancellationToken) at Microsoft.AspNetCore.Mvc.Formatters.NewtonsoftJsonOutputFormatter+d__13.MoveNext() at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[[Microsoft.AspNetCore.Mvc.Formatters.NewtonsoftJsonOutputFormatter+d__13, Microsoft.AspNetCore.Mvc.NewtonsoftJson, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]](d__13 ByRef) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.Start[[Microsoft.AspNetCore.Mvc.Formatters.NewtonsoftJsonOutputFormatter+d__13, Microsoft.AspNetCore.Mvc.NewtonsoftJson, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]](d__13 ByRef) at Microsoft.AspNetCore.Mvc.Formatters.NewtonsoftJsonOutputFormatter.WriteResponseBodyAsync(Microsoft.AspNetCore.Mvc.Formatters.OutputFormatterWriteContext, System.Text.Encoding) at Microsoft.AspNetCore.Mvc.Formatters.TextOutputFormatter.WriteAsync(Microsoft.AspNetCore.Mvc.Formatters.OutputFormatterWriteContext) at Microsoft.AspNetCore.Mvc.Infrastructure.ObjectResultExecutor.ExecuteAsyncCore(Microsoft.AspNetCore.Mvc.ActionContext, Microsoft.AspNetCore.Mvc.ObjectResult, System.Type, System.Object) at Microsoft.AspNetCore.Mvc.Infrastructure.ObjectResultExecutor.ExecuteAsync(Microsoft.AspNetCore.Mvc.ActionContext, Microsoft.AspNetCore.Mvc.ObjectResult) at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.ResultNext[[System.__Canon, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](State ByRef, Scope ByRef, System.Object ByRef, Boolean ByRef) at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.InvokeNextResultFilterAsync[[System.__Canon, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]]() at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.ResultNext[[System.__Canon, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]](State ByRef, Scope ByRef, System.Object ByRef, Boolean ByRef) at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.InvokeResultFilters() at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.Next(State ByRef, Scope ByRef, System.Object ByRef, Boolean ByRef) at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker+<g__Awaited|20_0>d.MoveNext() at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker+<g__Awaited|20_0>d, Microsoft.AspNetCore.Mvc.Core, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]].ExecutionContextCallback(System.Object) at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker+<g__Awaited|20_0>d, Microsoft.AspNetCore.Mvc.Core, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]].MoveNext(System.Threading.Thread) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker+<g__Awaited|20_0>d, Microsoft.AspNetCore.Mvc.Core, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]].MoveNext() at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(System.Runtime.CompilerServices.IAsyncStateMachineBox, Boolean) at System.Threading.Tasks.Task.RunContinuations(System.Object) at System.Threading.Tasks.Task`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].TrySetResult(System.Threading.Tasks.VoidTaskResult) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].SetExistingTaskResult(System.Threading.Tasks.Task`1, System.Threading.Tasks.VoidTaskResult) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.SetResult() at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker+<g__Awaited|26_0>d.MoveNext() at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker+<g__Awaited|26_0>d, Microsoft.AspNetCore.Mvc.Core, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]].ExecutionContextCallback(System.Object) at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker+<g__Awaited|26_0>d, Microsoft.AspNetCore.Mvc.Core, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]].MoveNext(System.Threading.Thread) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker+<g__Awaited|26_0>d, Microsoft.AspNetCore.Mvc.Core, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]].MoveNext() at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(System.Runtime.CompilerServices.IAsyncStateMachineBox, Boolean) at System.Threading.Tasks.Task.RunContinuations(System.Object) at System.Threading.Tasks.Task`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].TrySetResult(System.Threading.Tasks.VoidTaskResult) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].SetExistingTaskResult(System.Threading.Tasks.Task`1, System.Threading.Tasks.VoidTaskResult) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.SetResult() at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker+<g__Awaited|13_0>d.MoveNext() at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker+<g__Awaited|13_0>d, Microsoft.AspNetCore.Mvc.Core, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]].ExecutionContextCallback(System.Object) at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker+<g__Awaited|13_0>d, Microsoft.AspNetCore.Mvc.Core, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]].MoveNext(System.Threading.Thread) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker+<g__Awaited|13_0>d, Microsoft.AspNetCore.Mvc.Core, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]].MoveNext() at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(System.Runtime.CompilerServices.IAsyncStateMachineBox, Boolean) at System.Threading.Tasks.Task.RunContinuations(System.Object) at System.Threading.Tasks.Task`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].TrySetResult(System.Threading.Tasks.VoidTaskResult) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].SetExistingTaskResult(System.Threading.Tasks.Task`1, System.Threading.Tasks.VoidTaskResult) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.SetResult() at Microsoft.AspNetCore.Mvc.Controller+<g__Awaited|27_0>d.MoveNext() at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Microsoft.AspNetCore.Mvc.Controller+<g__Awaited|27_0>d, Microsoft.AspNetCore.Mvc.ViewFeatures, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]].ExecutionContextCallback(System.Object) at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Microsoft.AspNetCore.Mvc.Controller+<g__Awaited|27_0>d, Microsoft.AspNetCore.Mvc.ViewFeatures, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]].MoveNext(System.Threading.Thread) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Microsoft.AspNetCore.Mvc.Controller+<g__Awaited|27_0>d, Microsoft.AspNetCore.Mvc.ViewFeatures, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]].MoveNext() at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(System.Runtime.CompilerServices.IAsyncStateMachineBox, Boolean) at System.Threading.Tasks.Task.RunContinuations(System.Object) at System.Threading.Tasks.Task`1[[System.__Canon, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].TrySetResult(System.__Canon) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[[System.__Canon, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].SetExistingTaskResult(System.Threading.Tasks.Task`1, System.__Canon) at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker+<g__Awaited|11_0>d.MoveNext() at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.__Canon, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker+<g__Awaited|11_0>d, Microsoft.AspNetCore.Mvc.Core, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]].ExecutionContextCallback(System.Object) at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.__Canon, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker+<g__Awaited|11_0>d, Microsoft.AspNetCore.Mvc.Core, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]].MoveNext(System.Threading.Thread) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.__Canon, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker+<g__Awaited|11_0>d, Microsoft.AspNetCore.Mvc.Core, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]].MoveNext() at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(System.Runtime.CompilerServices.IAsyncStateMachineBox, Boolean) at System.Threading.Tasks.Task.RunContinuations(System.Object) at System.Threading.Tasks.Task`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].TrySetResult(System.Threading.Tasks.VoidTaskResult) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].SetExistingTaskResult(System.Threading.Tasks.Task`1, System.Threading.Tasks.VoidTaskResult) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.SetResult() at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker+<g__Awaited|10_0>d.MoveNext() at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker+<g__Awaited|10_0>d, Microsoft.AspNetCore.Mvc.Core, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]].ExecutionContextCallback(System.Object) at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker+<g__Awaited|10_0>d, Microsoft.AspNetCore.Mvc.Core, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]].MoveNext(System.Threading.Thread) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker+<g__Awaited|10_0>d, Microsoft.AspNetCore.Mvc.Core, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]].MoveNext() at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(System.Runtime.CompilerServices.IAsyncStateMachineBox, Boolean) at System.Threading.Tasks.Task.RunContinuations(System.Object) at System.Threading.Tasks.Task`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].TrySetResult(System.Threading.Tasks.VoidTaskResult) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].SetExistingTaskResult(System.Threading.Tasks.Task`1, System.Threading.Tasks.VoidTaskResult) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.SetResult() at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker+<g__Awaited|10_0>d.MoveNext() at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker+<g__Awaited|10_0>d, Microsoft.AspNetCore.Mvc.Core, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]].ExecutionContextCallback(System.Object) at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker+<g__Awaited|10_0>d, Microsoft.AspNetCore.Mvc.Core, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]].MoveNext(System.Threading.Thread) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker+<g__Awaited|10_0>d, Microsoft.AspNetCore.Mvc.Core, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]].MoveNext() at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(System.Runtime.CompilerServices.IAsyncStateMachineBox, Boolean) at System.Threading.Tasks.Task.RunContinuations(System.Object) at System.Threading.Tasks.Task`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].TrySetResult(System.Threading.Tasks.VoidTaskResult) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].SetExistingTaskResult(System.Threading.Tasks.Task`1, System.Threading.Tasks.VoidTaskResult) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.SetResult() at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker+<g__Awaited|12_0>d.MoveNext() at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker+<g__Awaited|12_0>d, Microsoft.AspNetCore.Mvc.Core, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]].ExecutionContextCallback(System.Object) at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker+<g__Awaited|12_0>d, Microsoft.AspNetCore.Mvc.Core, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]].MoveNext(System.Threading.Thread) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker+<g__Awaited|12_0>d, Microsoft.AspNetCore.Mvc.Core, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]].MoveNext() at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(System.Runtime.CompilerServices.IAsyncStateMachineBox, Boolean) at System.Threading.Tasks.Task.RunContinuations(System.Object) at System.Threading.Tasks.Task`1[[System.__Canon, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].TrySetResult(System.__Canon) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[[System.__Canon, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].SetExistingTaskResult(System.Threading.Tasks.Task`1, System.__Canon) at Microsoft.AspNetCore.Mvc.Infrastructure.ActionMethodExecutor+AwaitableObjectResultExecutor+d__0.MoveNext() at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.__Canon, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Microsoft.AspNetCore.Mvc.Infrastructure.ActionMethodExecutor+AwaitableObjectResultExecutor+d__0, Microsoft.AspNetCore.Mvc.Core, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]].ExecutionContextCallback(System.Object) at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.__Canon, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Microsoft.AspNetCore.Mvc.Infrastructure.ActionMethodExecutor+AwaitableObjectResultExecutor+d__0, Microsoft.AspNetCore.Mvc.Core, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]].MoveNext(System.Threading.Thread) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.__Canon, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[Microsoft.AspNetCore.Mvc.Infrastructure.ActionMethodExecutor+AwaitableObjectResultExecutor+d__0, Microsoft.AspNetCore.Mvc.Core, Version=9.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60]].MoveNext() at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(System.Action, Boolean) at System.Threading.Tasks.Task.RunContinuations(System.Object) at System.Threading.Tasks.Task`1[[System.__Canon, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].TrySetResult(System.__Canon) at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1[[System.__Canon, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].SetExistingTaskResult(System.Threading.Tasks.Task`1, System.__Canon) at TRANSPORT_SAMPLE.Api.Controllers.LoginController+d__6.MoveNext() at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1+AsyncStateMachineBox`1[[System.__Canon, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.__Canon, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]].ExecutionContextCallback(System.Object) The remainder of the message was truncated.

[mrreddevil2412]

[LibraryImport("aspnetcorev2_inprocess.dll")]
[GeneratedCode("Microsoft.Interop.LibraryImportGenerator", "9.0.11.2809")]
[SkipLocalsInit]
private unsafe static int http_flush_response_bytes(NativeSafeHandle pInProcessHandler, [MarshalAs(UnmanagedType.Bool)] bool fMoreData, [MarshalAs(UnmanagedType.Bool)] out bool fCompletionExpected)
{
	fCompletionExpected = false;
	int num = 0;
	int num2 = 0;
	int num3 = 0;
	SafeHandleMarshaller<NativeSafeHandle>.ManagedToUnmanagedIn managedToUnmanagedIn = default(SafeHandleMarshaller<NativeSafeHandle>.ManagedToUnmanagedIn);
	try
	{
		num = (fMoreData ? 1 : 0);
		managedToUnmanagedIn.FromManaged(pInProcessHandler);
		num3 = __PInvoke(managedToUnmanagedIn.ToUnmanaged(), num, &num2);
		fCompletionExpected = num2 != 0;
		return num3;
	}
	finally
	{
		managedToUnmanagedIn.Free();
	}
	[DllImport("aspnetcorev2_inprocess.dll", EntryPoint = "http_flush_response_bytes", ExactSpelling = true)]
	static extern unsafe int __PInvoke(nint __pInProcessHandler_native, int __fMoreData_native, int* __fCompletionExpected_native);
}

I was debugging via IIS using the remote debugger tool and this is the error returned at this function with the message: "System.ExecutionEngineException"