I have a back up of a course that seems to have a corruption, when I try to restore, I get "PK" is not a valid field name as an error, and the restore fails.
This is a course with data and users.
Anyway to go into the .zip and delete this field name? I didn't see any kind of file in the .zip that would contain this info.
Backup and restore
can we fix a corrupted back up?
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