# Fatal error in Anki Desktop 2.1.49

**URL:** <https://forums.ankiweb.net/t/fatal-error-in-anki-desktop-2-1-49/17070>\
**Category:** Help\
**Created:** [January 26, 2022, 10:08pm UTC](https://forums.ankiweb.net/t/fatal-error-in-anki-desktop-2-1-49/17070 "2022-01-26T22:08:32Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![abdo](https://sea2.discourse-cdn.com/flex002/user_avatar/forums.ankiweb.net/abdo/32/654_2.png) [@abdo](https://forums.ankiweb.net/u/abdo)\
**Post date:** [January 26, 2022, 11:24pm UTC](https://forums.ankiweb.net/t/fatal-error-in-anki-desktop-2-1-49/17070/2 "2022-01-26T23:24:36Z")

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See my previous post here:

> [@Anki crashed and said me to report this on the forums](https://forums.ankiweb.net/t/anki-crashed-and-said-me-to-report-this-on-the-forums/15919/2):
>
> This is probably caused by a shared deck you have. You can download this add-on to fix it: [Fix invalid card IDs - AnkiWeb](https://ankiweb.net/shared/info/196231552) Explanation: [Issue with huge card IDs](https://forums.ankiweb.net/t/issue-with-huge-card-ids/12165/)

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