Hello, MoonMarionette
Welcome to Microsoft Community.
You can reset Edge in Edge settings and try again.
Collections in Edge not working after update - Microsoft Community
Resetting Edge will erase your browsing data, especially cookies and caches, so back up important data in advance.
If resetting Edge doesn't work, follow the steps here to reset Edge Collections and try again.
Microsoft Edge Collections not working - Microsoft Q&A
You can also try to repair the Edge, see the detailed steps here:
What to do if Microsoft Edge isn't working - Microsoft Support
Let me know if you have any other concerns.
Best regards
Yuhao Li
Microsoft Community Technical Support