27" Mid 2011 iMac, 12,1 w/ Sonoma 14.7 installed - iPhoto NOT working correctly

Non metal iMac having problems with iPhoto app not working correctly. Clicking on photo brings up a blank screen. I can drag blank image to desktop to view and edit but not see it in iPhoto. Any suggestions on how to address the problem?

submitted by /u/Equivalent_Trifle499
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