File problems after saving Premiere Project on external drive with Time Machine

.This is my first CS project I am working on a big movie project in Premiere Pro and I was making 3 regular backups to 3 separate external G Drives so I can store them in different locations for safety. I can do image tagging with Adobe Bridge on my primary backup, but on the two safety backups that contain Mac Time Machine backups of the project, I cant.

When I try to open these project backups with CS I am unable to tag images in Bridge and I get a metadata error on the image file.

As I am able to tag fine on the primary backup I am guessing that there must be another way to save copies of the project to an external drive not using Time Machine that will give me a working copy. Any advice appreciated.

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