Creative Cloud Libraries are a separate issue that has nothing to do with the old topic to which you posted. I have moved your question to a new topic for you.
Please ensure that syncing is enabled in Creative Cloud Desktop App.
1. Open CC Desktop App.
2. Click your Avatar (top right image) > Preferences > General tab > Settings. Select "Always keep Creative Cloud up to date."
3. Click on your Avatar again.
4. Sign-out of Creative Cloud.
5. Close all apps.
6. Restart your computer.
7. Open CC Desktop app.
8. Click your Avatar.
9. Sign-in with your paid Creative Cloud ID and password.
Thank you. Your suggestion is appreciated but did not solve my problem. I had already tried this more than once.