Help! can't open Anki

I saw the message below while trying to open anki, I have tried to open the backup button and followed instructions, restarted the computer but still getting the same error message, I would appreciate if someone can help, I don’t want to lose any information. Thanks.

Anki was unable to open your collection file. If problems persist after restarting your computer, please use the Open Backup button in the profile manager.

Debug info:
Traceback (most recent call last):
File “aqt/”, line 469, in loadCollection
File “aqt/”, line 505, in _loadCollection
File “aqt/”, line 510, in reopen
File “anki/”, line 59, in Collection
File “anki/”, line 82, in init
TypeError: init() missing 2 required positional arguments: ‘db’ and ‘backend’

5 posts were merged into an existing topic: Anki desktop app not loading after updating load balancer