title: JDeveloper blocking creating and editing files
body: <p>For some reason I don't know why JDeveloper is blocking file creation and editing. I'm not even able to create new projects. The image below shows all files with an yellow lock (which I've never seen before).
  <a href="https://i.stack.imgur.com/UOQgL.png" rel="nofollow noreferrer">My project in JDeveloper</a></p>