Synchronization always and again blocked

Synchronization always and again blocked
Hail to you saviors,
this is my third post on this topic.
It's been a week since my problem persists, I can't stand having spent so many hours there without solving anything.
Following the restoration of a faulty catalog, I have since a sync problem on lightroom classic latest version.
I have 79 photos that sync endlessly.
In the lightroom settings however, there are 0 photos to synchronize.
I don't know who these 79 photos are that prevent me from working and sharing my photos.
It's terrible of Adobe not to provide a clear solution to this problem, I pay a company that says s**t to its customers.
Thanks for your help Superman. I don't know if you are going to be able to meet my need, but without you, I don't think I

(promised : not dual post - Gggr )