Azure .NET Core Web App DirectoryNotFoundException: Could not find a part of the path

Getting this error in an Azure .NET Core Web App deployed via GitHub? An unhandled exception occurred while processing the request. DirectoryNotFoundException: Could not find a part of the path ‘D:\home\site\wwwroot\Templates\my_file.html’. System.IO.FileStream.ValidateFileHandle(SafeFileHandle fileHandle) DirectoryNotFoundException: Could not find a part of the path ‘D:\home\site\wwwroot\Templates\my_file.html’. System.IO.FileStream.ValidateFileHandle(SafeFileHandle fileHandle) System.IO.FileStream.CreateFileOpenHandle(FileMode mode, FileShare share, FileOptions options) System.IO.FileStream..ctor(string path, FileMode mode,... » read more