title: Azure: 409 Conflict: Cannot delete directory. It is either not empty or access is not allowed
body: <p>I use Azure with node js App Service. 
  When i try to delete empty folder using ftp or kudu app in node_modules folders i get error: <strong>409 Conflict: Cannot delete directory. It is either not empty or access is not allowed</strong>. This folder is totally empty. How i can delete it? </p>