Anki 2.1.45 Alpha

I’m getting an error message when clicking in the new “Toggle Showing Card / Notes” icon on the browser:

Debug info:

Anki 2.1.45 (10bfb95f) Python 3.8.6 Qt 5.14.2 PyQt 5.14.2

Platform: Windows 10

Flags: frz=True ao=True sv=2

Add-ons, last update check: 2021-05-17 13:47:56

Caught exception:

Traceback (most recent call last):

File “aqt\browser\table\table.py”, line 362, in _on_sort_column_changed

File “aqt\browser\table\model.py”, line 225, in column_at_section

File “aqt\browser\table\state.py”, line 40, in column_key_at

IndexError: list index out of range

I also got this problem after a few uses of the new alpha version:

I’ve never had this problem before. Just restarting the computer solved it