After updating my 2018 MacBook Pro to Catalina, I let the Photos app run the process of updating my photos library (which is slightly larger than 1TB). This process took just under 24 hours to run, so I was very happy when it finally finished running. However, the next time that I launched the Photos app, it just said "Restoring…" and a progress bar underneath at 0%. I have let it sit and it never progresses past 0%.
Beyond frustrated at this point that after updating my library for Many hours, I'm still unable to access my photos library. Please help!