When undoing review (Ctrl +Z), i continually get this error message

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 2.1.22 (0ecc189a) Python 3.8.0 Qt 5.14.1 PyQt 5.14.1
Platform: Windows 10
Flags: frz=True ao=False sv=2
Add-ons, last update check: 2020-09-20 06:09:56

Caught exception:
Traceback (most recent call last):
File “aqt\main.py”, line 951, in onUndo
File “lib\site-packages\anki\collection.py”, line 696, in undo
File “lib\site-packages\anki\collection.py”, line 735, in _undoReview
IndexError: tuple index out of range

Please see https://faqs.ankiweb.net/when-problems-occur.html