External SSD, Error 4302, Library not loading

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Level 1

8 points

External SSD, Error 4302, Library not loading

I recently bought a 13" M2 MacBook Pro with 512gb ssd. My Photos library is over 400gb so I cannot keep it in my Mac. I bought an external 1tb ssd exclusively for this purpose. It is formatted as APFS. However every time I launch Photos app I get a "4302 error" and sometime a 3145 as well, and find myself to constantly "Repair" the library.

Running Ventura, it is up to date.

This Library is set up as the main library in Preferences setting in Photos App. iCloud sync is also activated.

When doing a "Get Info" on the ssd, Sharing and Permissions are correctly set. "Ignore ownership on this volume" is also checked.

The "Repair" itself reaches 100% fairly quickly, however it then seems to take forever on a spinning wheel. While the spinning wheels takes too long to finish, today it has been over 3 hours.

This is just to inconvenient when it is supposed to work just fine with an external disk.

Any ideas?

MacBook Pro

Posted on Dec 26, 2022 5:59 AM

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Answer 1

Jan 8, 2023 7:50 AM in response to roca250

You have done some good trouble shooting! Have you tried these things?Restart the computer (of course)

Make a new user and see if the same problem recurs with it
Use another library if you have one, or make a small test Library with a few pictures in it and see if the same thing happens.
Start in Safe Mode (different for different computers) This bypasses certain potentially disruptive processes.

Start up your Mac in safe mode - Apple Support

One of these steps may fix the problem, but their failure to work is also diagnostic.

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Answer 2

roca250 Author

Level 1

8 points

Jan 8, 2023 2:24 AM in response to roca250

Update. I need to restart my Mac each and every time prior to opening the library. By doing so, it works fine. But this is not the way to go.

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Answer 3

roca250 Author

Level 1

8 points

Dec 26, 2022 7:38 AM in response to roca250

I decided to force quit the app. I restarted my Mac and then opened the library. It is now automatically doing a "Restore". I did notice before the force quit, that the library showed an incorrect file size by over 300gb. It is now at the correct size while doing this restore.

It finally finished and seems to be working fine.

However, I cannot be doing this every time I want to update my library with n ew pictures.

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External SSD, Error 4302, Library not loading

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