Med student in need of help resolving mac anki error concern!

In in dire need of help resolving some error issues that have popped up on anki today. At first it was an “add-on” issue but after deleting several add-ons, I tried restarting anki on my MacBook while pressing the shift key. When I tried to study a deck again, I ran into this error and I do not what else to do, please help! I’m in no way an anki expert and this is what shows up when I try studying a deck:

An error occurred. Please use Tools > Check Database to see if that fixes the problem.
If problems persist, please report the problem on our support site. Please copy and paste the information below into your report.
Anki 2.1.38 (355e4cd5) Python 3.8.6 Qt 5.14.2 PyQt 5.14.2
Platform: Mac 10.15.6
Flags: frz=True ao=False sv=1
Add-ons, last update check: 2021-01-09 16:31:21

Caught exception:
Traceback (most recent call last):
File “aqt/”, line 515, in handler
File “aqt/”, line 547, in _onTypedAnswer
File “aqt/”, line 251, in _showAnswer
File “aqt/”, line 602, in _showEaseButtons
File “aqt/”, line 653, in _answerButtons
File “aqt/”, line 622, in _defaultEase
File “anki/”, line 115, in answerButtons
File “anki/”, line 281, in _lrnConf
File “anki/”, line 654, in _newConf
KeyError: ‘delays’