My anki told me to post this

[amuniiib]

Anki 2.1.15 (442df9d6) Python 3.11.2 Qt 5.15.8 PyQt 5.15.9
Platform: Linux
Flags: frz=False ao=False sv=1

Caught exception:
File “/usr/share/anki/aqt/deckbrowser.py”, line 213, in
a.triggered.connect(lambda b, did=did: self._options(did))
^^^^^^^^^^^^^^^^^^
File “/usr/share/anki/aqt/deckbrowser.py”, line 242, in _options
self.mw.onDeckConf()
File “/usr/share/anki/aqt/main.py”, line 869, in onDeckConf
aqt.deckconf.DeckConf(self, deck)
File “/usr/share/anki/aqt/deckconf.py”, line 25, in init
self.setupConfs()
File “/usr/share/anki/aqt/deckconf.py”, line 49, in setupConfs
self.loadConfs()
File “/usr/share/anki/aqt/deckconf.py”, line 66, in loadConfs
self.onConfChange(startOn)
File “/usr/share/anki/aqt/deckconf.py”, line 89, in onConfChange
self.loadConf()
File “/usr/share/anki/aqt/deckconf.py”, line 175, in loadConf
f.lrnFactor.setValue(c[‘initialFactor’]/10.0)
<class ‘TypeError’>: setValue(self, val: int): argument 1 has unexpected type ‘float’

[NameLessGO]

Your version is severely outdated, please update to the latest version using the official installation method Install & Upgrade - Anki Manual

Alternatively you can use flatpak, but they are community maintained

Homebrew is also a great option but never tried in Linux