# Error checking DB integrity - Error: no such collation sequence: icu\_root

**URL:** <https://forums.plex.tv/t/error-checking-db-integrity-error-no-such-collation-sequence-icu-root/709470>\
**Category:** Plex Media Server\
**Tags:** server-windows\
**Created:** [April 14, 2021, 7:35pm UTC](https://forums.plex.tv/t/error-checking-db-integrity-error-no-such-collation-sequence-icu-root/709470 "2021-04-14T19:35:48Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![tom80H](https://sea1.discourse-cdn.com/plex/user_avatar/forums.plex.tv/tom80h/32/19753_2.png) [@tom80H](https://forums.plex.tv/u/tom80H)\
**Post date:** [April 14, 2021, 9:14pm UTC](https://forums.plex.tv/t/error-checking-db-integrity-error-no-such-collation-sequence-icu-root/709470/2 "2021-04-14T21:14:13Z")

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You might want to take a look at this thread and use the SQLite3 version shipped with Plex. Also make sure your server isn’t running when you do the integrity check on your database.

> [@Hoping for help with DB corruption](https://forums.plex.tv/t/hoping-for-help-with-db-corruption/701344/8):
>
> If I may help here? To invoke the resident SQLite3 module. "/usr/lib/plexmediaserver/Plex Media Server" --sqlite If you wish to go further in to Plex Media Server/Plug-in Support/Databases to save typing of the path, that’s fine. [/share/CACHEDEV3\_DATA/.qpkg/PlexMediaServer] # ./Plex\ Media\ Server --sqlite SQLite version 3.26.0 2018-12-01 12:34:55 Enter ".help" for usage hints. Connected to a transient in-memory database. Use ".open FILENAME" to reopen on a persistent database. sqlite\> Y…

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