am fa5c7e1d: Catch when a file resource (non values) added in an overlay.

Merge commit 'fa5c7e1dfede7e26260789dd2de5175497e9659b'

* commit 'fa5c7e1dfede7e26260789dd2de5175497e9659b':
  Catch when a file resource (non values) added in an overlay.