System.ArgumentNullException: Value cannot be null. (Parameter 'stream')
at System.IO.StreamReader..ctor(Stream stream, Encoding encoding, Boolean detectEncodingFromByteOrderMarks, Int32 bufferSize, Boolean leaveOpen)
at System.IO.StreamReader..ctor(Stream stream)
at NoticeApi.Utilities.TemplateProvider.GetItemAsync(String templateKey) in D:\a\1\s\NoticeApi.Utilities\TemplateProvider.cs:line 27
at RazorLight.Compilation.RazorTemplateCompiler.CreateRuntimeCompilationWorkItem(String templateKey)
at RazorLight.Compilation.RazorTemplateCompiler.OnCacheMissAsync(String templateKey)
at RazorLight.EngineHandler.CompileTemplateAsync(String key)
at RazorLight.EngineHandler.CompileRenderAsync[T](String key, T model, ExpandoObject viewBag)
at NoticeApi.WebUI.Controllers.RenderingController.GetMarkup(String cultureCode, Int32 portalId, String docId) in D:\a\1\s\NoticeApi.WebUI\Controllers\RenderingController.cs:line 53