Unable to save updates to Cr2 files. Permissions error showing for SOME Cr2 files. Help :)

Permissions error showing for SOME Cr2 files. Help 🙂   When any adjustment is made in Camera raw, and when you click done,  The error comes up.  
Unable to  save he raw conversion settings,
There was a write permissions error.

While working on a network.

This does not happen to all Cr2 files, which is really weird.
Help please.