A numeric error code is always frustrating to see ; misplay “ 4302 ” when open Photos for macOS is just as unintelligible as most others . Some lector have seen this codification when the transcript of Photos on their Mac say it ca n’t open up the Photos Library . Others , when they ’re give birth slowdowns with exposure or seeing blurry preview .
The answer in most case seems to be that macOS 11 Big Sur does n’t corroborate — or at least does n’t fully brook — a Photos Library located on an external drive initialise for Windows compatibility using ExFAT . you could check whether that ’s the typeface by choose the drive in the Finder and choosingFile > Get Info . In the Format field , it will take ExFAT .
as luck would have it , the answer appear to be straightforward , although it expect consume enough drive capacity to reformat the ExFAT drive :
You should be back to normal .
If this fails , quit Photos and concord down Command - Option while launching Photos . ClickRepairwhen prompted . This may take a long period of clock time .
If that also fails , you may have an irrecoverably damaged Photos program library , but you may still retrieve your unmodified source medium . This Mac 911 tower from 2017remains accurate for the method acting to recover those files .
This Mac 911 article is in response to a question submit by Macworld reader Miguel .
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