# A serious problem reported **URL:** \ **Category:** Help\ **Created:** [November 22, 2022, 2:24pm UTC](https://forums.ankiweb.net/t/a-serious-problem-reported/24854 "2022-11-22T14:24:04Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![HelloWorld00](https://avatars.discourse-cdn.com/v4/letter/h/c5a1d2/32.png) [@HelloWorld00](https://forums.ankiweb.net/u/HelloWorld00)\ **Post date:** [November 22, 2022, 2:24pm UTC](https://forums.ankiweb.net/t/a-serious-problem-reported/24854/1 "2022-11-22T14:24:04Z")
I have met this trouble several times =( Some of my cards disappeared after being created, then the software showed a message like this: _Anki 2.1.54 (b6a7760c) Python 3.9.7 Qt 6.3.1 PyQt 6.3.1_ _Platform: Windows 10_ _Flags: frz=True ao=False sv=2_ _Add-ons, last update check: 2022-11-22 19:43:06_ _Unknown error_ Please help me to fix this. Thanks! ---
**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:** [November 22, 2022, 2:51pm UTC](https://forums.ankiweb.net/t/a-serious-problem-reported/24854/2 "2022-11-22T14:51:45Z")
> [@HelloWorld00](#): > > Some of my cards disappeared after being created Are you sure the cards actually disappeared? Did you try finding them in the Browse screen? That error is probably unrelated. It was reported multiple times recently and I’ve hit several times randomly. ---
**Author:** ![dae](https://sea2.discourse-cdn.com/flex002/user_avatar/forums.ankiweb.net/dae/32/65_2.png) [@dae](https://forums.ankiweb.net/u/dae)\ **Post date:** [November 23, 2022, 7:12am UTC](https://forums.ankiweb.net/t/a-serious-problem-reported/24854/3 "2022-11-23T07:12:48Z")
I think I’ve finally gotten to the bottom of that error - it appears to be a Chromium thing. As @abdo says, it’s unlikely to have any effect on your cards. ---
**Author:** ![HelloWorld00](https://avatars.discourse-cdn.com/v4/letter/h/c5a1d2/32.png) [@HelloWorld00](https://forums.ankiweb.net/u/HelloWorld00)\ **Post date:** [December 6, 2022, 11:30am UTC](https://forums.ankiweb.net/t/a-serious-problem-reported/24854/4 "2022-12-06T11:30:28Z")
Oh sorry it’s just disappeared for one day then reappeared the next day. But sometimes the error still occurs again and that is a bit annoying because I can’t study. Thanks for replying me. ---
**Author:** ![HelloWorld00](https://avatars.discourse-cdn.com/v4/letter/h/c5a1d2/32.png) [@HelloWorld00](https://forums.ankiweb.net/u/HelloWorld00)\ **Post date:** [December 6, 2022, 11:32am UTC](https://forums.ankiweb.net/t/a-serious-problem-reported/24854/5 "2022-12-06T11:32:29Z")
Oh yes, it didn’t affect my cards but I couldn’t study that day. Are there any way to recover my cards when I need them? ---
**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:** [December 6, 2022, 8:07pm UTC](https://forums.ankiweb.net/t/a-serious-problem-reported/24854/6 "2022-12-06T20:07:13Z")
> [@HelloWorld00](#): > > Oh sorry it’s just disappeared for one day then reappeared the next day. Maybe this explains your situation: [Anki's not showing me all my cards! - Frequently Asked Questions](https://faqs.ankiweb.net/anki-is-not-showing-me-all-my-cards.html) ---
**Author:** ![system](https://us1.discourse-cdn.com/flex002/uploads/anki2/original/1X/8f1279ababc5879d54e4838989f606cfe55af8c7.jpeg) [@system](https://forums.ankiweb.net/u/system)\ **Post date:** [January 5, 2023, 8:07pm UTC](https://forums.ankiweb.net/t/a-serious-problem-reported/24854/7 "2023-01-05T20:07:57Z")
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