Follow these steps to use the Photos library repair tool:
You might be asked to type in your user account password to authorize the library repair.
The repair tool analyzes the the library's database and repairs any inconsistencies it detects. Depending on the size of your library, this might take some time. When the process is completed, Photos opens the library.
May 21, 2015 How to Repair Photos Library in Photos App for Mac OS X. Though repairing the library is supposed to fix problems, it’s a good idea to backup the Mac and your photos library into Time Machine, or your backup method of choice, before attempting to repair it. Apr 22, 2017 The iPhoto library keeps showing the message library closing, It's on my lad actually, MacBook not iPhone, I - Answered by a verified Mac Support Specialist. Mar 21, 2017 my photos on my imac is saying closing the library? My photos on my mac just keeps saying 'closing the library' and I can't force quit it either. I've tried restarting and shutting down my computer but it wont let me until i can quit photos.
If you repair a library that's automatically updated with iCloud Photos, the entire contents of the library re-updates with iCloud after the repair process completes.