Help - Facial Recognition Removed in Photos App | Why?

[RedlegsFan]

I spent hours today using the facial recognition in the Photos app on my iMac, getting all my family organized by their face (obviously). I then started looking into if I had duplicate photos and used two pieces of software, PowerPhotos and Photos Duplicate Cleaner. I was able to remove a decent amount of duplicates but low and behold..

When I opened the Photos app after learning the duplicates, all of the facial recognition work I had done today was gone. I basically have to start from scratch. Any idea what could have caused this? I would like to pin point the issue, so I can avoid in the future.

Any help is greatly appreciated!

 

[RedlegsFan]

My only thinking is I had to have those two programs read my Photo Library file. Maybe having them access that file caused the facial recognition work I had completed to vanish, basically putting me back to square one.

Anyone experience this before?

 

[coolfactor]

Yes, likely one of those apps corrupted your data.