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Photos Library Rebuild Failed

I attempt to Rebuild the library in the Photos app on Catalina 10.15.3, MacBook Air 13-inch, 2019. It failed. It hung at 99% for about 12 hours. Upon right-clicking it said 'Application Not Responding'. I regrettably forced it to close. Now when I open Photos it:


  • shows 'The Library could not be opened' (3145)
  • if I choose 'Open Other' and choose the system library
  • it gives the error message 'client requested library rebuild'


The library file is there and about the same size as before, 270GB. It's large. When I show the contents the photos are there.


How can I get this fixed?

MacBook Air 13", macOS 10.15

Posted on Mar 27, 2020 6:03 AM

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Photos Library Rebuild Failed

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