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After upgrading a 2015 Macbook Pro to Catalina version 10.15.1 I've been unable to open the Photos app. I've run the suggested repair but get a message: "The library could not be opened. Photos was unable to open the library "Photos Library". (4302)". What can I do to fix this?
MacBook Pro 13", macOS 10.15
Consider to update to Catalina version 10.15.2. It has many important bug fixes.Where is your Photos Library stored? On an external volume or in your Home folder on your system volume?
Consider to update to Catalina version 10.15.2. It has many important bug fixes.Where is your Photos Library stored? On an external volume or in your Home folder on your system volume?
Try this article https://support.apple.com/en-us/HT204967
Once you upgrade the Mac , did you used time machine to back up https://support.apple.com/en-in/HT201475
It is not necessary , you had changed the home permissions .
It's better to clean the hard drive and reinstall Mac OS https://support.apple.com/en-me/HT204904
Take suggestions from apple support https://support.apple.com/en-me/HT201232
You are still using Mac OS 10.15.1 update your Mac to 10.15.2 https://support.apple.com/en-us/HT201541
tygb, K12-Art already stated, that the repair did not work.
And I would never recommend a library repair anyway, before we know, where the library is stored; it can make matters worse, if we try to repair the library, if it is on an external volume, that is not compatible with Photos. We need to know, where the Photos Library is currently stored, before we can proceed with any fixes.
Not necessary repairing home permissions will always work , the photo application is corrupted , erasing the hard drive is far better than archive installation .
Photos Unable to Open Library
