New version of Lightroom Classic does not locate files

Hello

I used to have a subscription for Lightroom cc Classic. When the subscription ended and I wnated to subcribe again, the only version that I found was Lightroom Classic (no cc). So I subscribed to this version. But now, what happens is that all the photos and editing from Lifgtroom cc cannot be found. I keep the files in a T5 samsung SSD. The files are there but when I open them in the updated Lightroom all I get are exclamations marks and when I try to locate the photos, Lightroom does not find them. When I try to open catalogues from the previous version a window pops up that says the catalogue cannot be opened due to unexpected error. And all the photos imported after the update, to this new version of Lightroom are perfectly fine. How do I solve this problem?