```
17:34:38 [e17197231623111d295d73cb] [no req] MWException from line 167 of /srv/jenkins-workspace/workspace/mwext-phpunit-coverage-publish/src/includes/Hooks.php: Invalid callback WikibaseQuality\ExternalValidation\WikibaseQualityExternalValidationHooks::onCreateSchema in hooks for LoadExtensionSchemaUpdates
17:34:38
17:34:38 Backtrace:
17:34:38 #0 /srv/jenkins-workspace/workspace/mwext-phpunit-coverage-publish/src/includes/Hooks.php(205): Hooks::callHook(string, string, array, NULL)
17:34:38 #1 /srv/jenkins-workspace/workspace/mwext-phpunit-coverage-publish/src/includes/installer/DatabaseUpdater.php(127): Hooks::run(string, array)
17:34:38 #2 /srv/jenkins-workspace/workspace/mwext-phpunit-coverage-publish/src/includes/installer/DatabaseUpdater.php(192): DatabaseUpdater->__construct(Wikimedia\Rdbms\DatabaseMysqli, boolean, UpdateMediaWiki)
17:34:38 #3 /srv/jenkins-workspace/workspace/mwext-phpunit-coverage-publish/src/maintenance/update.php(199): DatabaseUpdater::newForDB(Wikimedia\Rdbms\DatabaseMysqli, boolean, UpdateMediaWiki)
17:34:38 #4 /srv/jenkins-workspace/workspace/mwext-phpunit-coverage-publish/src/maintenance/doMaintenance.php(94): UpdateMediaWiki->execute()
17:34:38 #5 /srv/jenkins-workspace/workspace/mwext-phpunit-coverage-publish/src/maintenance/update.php(245): require_once(string)
17:34:38 #6 {main}
```