```
Modifying cul_reason_id field of table cu_log...Wikimedia\Rdbms\DBQueryError from line 1534 of /var/www/wiki/mediawiki/core/includes/libs/rdbms/database/Database.php: Error 1265: Data truncated for column 'cul_reason_id' at row 1
Function: Wikimedia\Rdbms\Database::sourceFile( /var/www/wiki/mediawiki/extensions/CheckUser/src/../schema/mysql/patch-cu_log-drop-cul_reason_id_default.sql )
Query: ALTER TABLE `mw_cu_log`
CHANGE cul_reason_id cul_reason_id BIGINT UNSIGNED NOT NULL,
CHANGE cul_reason_plaintext_id cul_reason_plaintext_id BIGINT UNSIGNED NOT NULL
#0 /var/www/wiki/mediawiki/core/includes/libs/rdbms/database/Database.php(1518): Wikimedia\Rdbms\Database->getQueryException()
#1 /var/www/wiki/mediawiki/core/includes/libs/rdbms/database/Database.php(1492): Wikimedia\Rdbms\Database->getQueryExceptionAndLog()
#2 /var/www/wiki/mediawiki/core/includes/libs/rdbms/database/Database.php(865): Wikimedia\Rdbms\Database->reportQueryError()
#3 /var/www/wiki/mediawiki/core/includes/libs/rdbms/database/Database.php(3087): Wikimedia\Rdbms\Database->query()
#4 /var/www/wiki/mediawiki/core/includes/libs/rdbms/database/Database.php(3026): Wikimedia\Rdbms\Database->sourceStream()
#5 /var/www/wiki/mediawiki/core/includes/libs/rdbms/database/DBConnRef.php(119): Wikimedia\Rdbms\Database->sourceFile()
#6 /var/www/wiki/mediawiki/core/includes/libs/rdbms/database/DBConnRef.php(813): Wikimedia\Rdbms\DBConnRef->__call()
#7 /var/www/wiki/mediawiki/core/includes/installer/DatabaseUpdater.php(716): Wikimedia\Rdbms\DBConnRef->sourceFile()
#8 /var/www/wiki/mediawiki/core/includes/installer/DatabaseUpdater.php(998): DatabaseUpdater->applyPatch()
#9 /var/www/wiki/mediawiki/core/includes/installer/DatabaseUpdater.php(547): DatabaseUpdater->modifyField()
#10 /var/www/wiki/mediawiki/core/includes/installer/DatabaseUpdater.php(515): DatabaseUpdater->runUpdates()
#11 /var/www/wiki/mediawiki/core/maintenance/update.php(203): DatabaseUpdater->doUpdates()
#12 /var/www/wiki/mediawiki/core/maintenance/includes/MaintenanceRunner.php(585): UpdateMediaWiki->execute()
#13 /var/www/wiki/mediawiki/core/maintenance/doMaintenance.php(99): MediaWiki\Maintenance\MaintenanceRunner->run()
#14 /var/www/wiki/mediawiki/core/maintenance/update.php(318): require_once('...')
#15 {main}
```