# An error occurred. Please use Tools \> Check Database

**URL:** <https://forums.ankiweb.net/t/an-error-occurred-please-use-tools-check-database/25095>\
**Category:** Help\
**Created:** [December 3, 2022, 7:01am UTC](https://forums.ankiweb.net/t/an-error-occurred-please-use-tools-check-database/25095 "2022-12-03T07:01:18Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Rayan10](https://avatars.discourse-cdn.com/v4/letter/r/71e660/32.png) [@Rayan10](https://forums.ankiweb.net/u/Rayan10)\
**Post date:** [December 3, 2022, 7:01am UTC](https://forums.ankiweb.net/t/an-error-occurred-please-use-tools-check-database/25095/1 "2022-12-03T07:01:18Z")

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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 2.1.54 (b6a7760c) Python 3.9.7 Qt 5.15.2 PyQt 5.15.5  
Platform: Windows 10  
Flags: frz=True ao=False sv=2  
Add-ons, last update check: 2022-12-02 19:23:57

Exception when servicing \<waitress.channel.HTTPChannel connected 127.0.0.1:51742 at 0x267419beb50\>  
Traceback (most recent call last):  
File “waitress.task”, line 84, in handler\_thread  
File “waitress.channel”, line 510, in service  
File “waitress.server”, line 331, in pull\_trigger  
File “waitress.trigger”, line 96, in pull\_trigger  
File “waitress.trigger”, line 200, in \_physical\_pull  
OSError: [WinError 10038] An operation was attempted on something that is not a socket

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<div class="post-metadata">

**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:** [December 3, 2022, 9:16am UTC](https://forums.ankiweb.net/t/an-error-occurred-please-use-tools-check-database/25095/2 "2022-12-03T09:16:12Z")

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> [@Rayan10](#):
>
> [WinError 10038] An operation was attempted on something that is not a socket

Please read through this thread and see if you can come up with a solution based on your own usage: [[Bug][Qt6] Waitress Error Messages - #2 by BlackBeans](https://forums.ankiweb.net/t/bug-qt6-waitress-error-messages/21163/2)

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**Author:** ![system](https://us1.discourse-cdn.com/flex002/uploads/anki2/original/1X/8f1279ababc5879d54e4838989f606cfe55af8c7.jpeg) [@system](https://forums.ankiweb.net/u/system)\
**Post date:** [January 2, 2023, 9:16am UTC](https://forums.ankiweb.net/t/an-error-occurred-please-use-tools-check-database/25095/3 "2023-01-02T09:16:14Z")

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Closed on January 2, 2023, 9:16am UTC

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