Upgraded OS to Catalina. Upgraded Adobe software. When opening Lightroom Classic a message came up that i've seen in the past saying we need to update your catalog to work with you newer version of LC. In the past its been fine. This time there are missing folders, missing files, folders grayed out with warning symbols. I right click on those folders and select "find missing files", direct lightroom to the location of those files and only some re-sync. This appears to be a nightmare I've been thrown into. Any suggestions? I'm on a Mac btw
while what Wobert suggests may work as a Mac user I suggest two things:
1. Check the permissions for Lightroom in the OS - Catalina introduced a new permissions protocol. Google 'Catalina update/Lightroom/Permissions' and you should find the answer - sorry I am on my phone from Gulu, Uganda so accessing everything is tricky.
2. To find your recent catalogs (if more than one) there is in File menu Open Recent which will give you a list ...