Photo library from my external hard drive won't open with current macOS
I need help finding a solution to open up this Photo Library I moved to my external hard drive about 3 years ago. After updating to macOS Big Sur, doesn't seem like I can open this library up anymore.
Current Photos app version is 6.0 and this is the error message every time I try and open my older Photos library :
Please help me! :(
[Re-Titled by Moderator]