Interested in how you can edit the option or another mpp fix?

Question

Data recovery

There is no server, the files are local and it's not about the integrity of the database.
The repetition of the error occurs when opening a file from the mail, and then saving, this is repeated for all managers with enviable periodicity.
-Project is unable to open the file
-Make sure the file format is supported by Project
and further about the option to open at an earlier time and base....

Answer 1

Well, don't use broken facts and restore them from a backup

Answer 2

right