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Rainman110 Author

Level 1

11 points

Migrating Mojave Photos Library to Catalina

I am trying to migrate my Photos Library.photoslibrary file from my 2012 MacBook Pro running Mojave, to my new MacBook Pro which has Catalina, 10.15.1. I am doing a clean install so not using Migration Assistant. I copied the Photos Library.photoslibrary file over to my new MacBook Pro and opened it with the Catalina Photos app. It ran some kind of conversion process, and all seemed to be well, as it opened and everything looked fine. A few hours later, at least half the photos in the library suddenly changed to green and black blocks. I ran the photos library repair tool (option-command keys), which ran the library through the repair process, but when it finished it still had the green and black blocks in place of many photos. So I next copied the photos library over again, but now when I try to open it in Catalina, the Photos app just crashes.

Not sure what to try next. Photos is running fine on my old machine in Mojave, so I don't think there's a problem with the Library.photoslibrary file. Any ideas?

MacBook Pro 16", macOS 10.15

Posted on Dec 11, 2019 7:29 AM

Top-ranking reply

Rainman110 Author

Level 1

11 points

Posted on Dec 11, 2019 3:41 PM

I just installed the 10.15.2 update. After the update, Photos opened the Photos Library file with no problems, and the green and black blocks are gone. So hopefully the issue was a Photos bug that was fixed with the 10.15.2 update. Keeping my fingers crossed the issue doesn't return.

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Migrating Mojave Photos Library to Catalina

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