# Error on Mac when starting Anki **URL:** \ **Category:** Help\ **Created:** [September 9, 2024, 5:15pm UTC](https://forums.ankiweb.net/t/error-on-mac-when-starting-anki/49227 "2024-09-09T17:15:02Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![mallikadesai](https://avatars.discourse-cdn.com/v4/letter/m/a9adbd/32.png) [@mallikadesai](https://forums.ankiweb.net/u/mallikadesai)\ **Post date:** [September 9, 2024, 5:15pm UTC](https://forums.ankiweb.net/t/error-on-mac-when-starting-anki/49227/1 "2024-09-09T17:15:02Z")
This message keeps popping up. What should I do? The tools approach has not worked. Error 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 2.1.44 (b2b3275f) Python 3.8.6 Qt 5.14.2 PyQt 5.14.2 Platform: Mac 10.16 Flags: frz=True ao=False sv=2 Add-ons, last update check: 2024-09-09 13:08:09 Caught exception: Traceback (most recent call last): File “aqt/customstudy.py”, line 128, in accept AttributeError: ‘CustomStudy’ object has no attribute ‘radioIdx’ ---
**Author:** ![ferophila](https://sea2.discourse-cdn.com/flex002/user_avatar/forums.ankiweb.net/ferophila/32/10566_2.png) [@ferophila](https://forums.ankiweb.net/u/ferophila)\ **Post date:** [September 9, 2024, 5:19pm UTC](https://forums.ankiweb.net/t/error-on-mac-when-starting-anki/49227/2 "2024-09-09T17:19:32Z")
Update your very old Anki version: [https://apps.ankiweb.net/](https://apps.ankiweb.net/) ---
**Author:** ![system](https://us1.discourse-cdn.com/flex002/uploads/anki2/original/1X/8f1279ababc5879d54e4838989f606cfe55af8c7.jpeg) [@system](https://forums.ankiweb.net/u/system)\ **Post date:** [October 10, 2024, 12:03pm UTC](https://forums.ankiweb.net/t/error-on-mac-when-starting-anki/49227/4 "2024-10-10T12:03:07Z")
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