Summary: Translation statistics failed to update when translation strings were renamed using ReplaceText extension.
Error:
[2020-03-15 12:51:57] exception.ERROR: [c0085dc3ce9b596e9e47c6ed] [no req] Wikimedia\Rdbms\DBUnexpectedError from line 4262 of /srv/mediawiki/tags/2020-03-11_14:19:45/includes/libs/rdbms/database/Database.php: MessageGroupStats::withLock: got COMMIT while atomic sections MediaWiki\Storage\PageUpdater::getAtomicSectionUpdate are still open {"exception":"[object] (Wikimedia\\Rdbms\\DBUnexpectedError(code: 0): MessageGroupStats::withLock: got COMMIT while atomic sections MediaWiki\\Storage\\PageUpdater::getAtomicSectionUpdate are still open at /srv/mediawiki/tags/2020-03-11_14:19:45/includes/libs/rdbms/database/Database.php:4262)
TODO: Add more info after research
We've been seeing this in our logs for a few days now.