=== Error ===
Request ID: `AWanh-6v00on8STvSoRR`
```name=message
Error: 1205 Lock wait timeout exceeded; try restarting transaction (10.64.48.15)
```
```name=trace,lines=10
#0 /srv/mediawiki/php-1.33.0-wmf.1/includes/libs/rdbms/database/Database.php(1468): Wikimedia\Rdbms\Database->makeQueryException(string, integer, string, string)
#1 /srv/mediawiki/php-1.33.0-wmf.1/includes/libs/rdbms/database/Database.php(1228): Wikimedia\Rdbms\Database->reportQueryError(string, integer, string, string, boolean)
#2 /srv/mediawiki/php-1.33.0-wmf.1/includes/libs/rdbms/database/Database.php(1695): Wikimedia\Rdbms\Database->query(string, string)
#3 /srv/mediawiki/php-1.33.0-wmf.1/includes/libs/rdbms/database/Database.php(1786): Wikimedia\Rdbms\Database->select(string, string, array, string, array, array)
#4 /srv/mediawiki/php-1.33.0-wmf.1/extensions/Wikibase/repo/includes/Store/Sql/SqlIdGenerator.php(71): Wikimedia\Rdbms\Database->selectRow(string, string, array, string, array)
#5 /srv/mediawiki/php-1.33.0-wmf.1/extensions/Wikibase/repo/includes/Store/Sql/SqlIdGenerator.php(46): Wikibase\SqlIdGenerator->generateNewId(Wikimedia\Rdbms\DatabaseMysqli, string)
#6 /srv/mediawiki/php-1.33.0-wmf.1/extensions/Wikibase/repo/includes/Store/Sql/WikiPageEntityStore.php(120): Wikibase\SqlIdGenerator->getNewId(string)
#7 /srv/mediawiki/php-1.33.0-wmf.1/extensions/Wikibase/lib/includes/Store/TypeDispatchingEntityStore.php(59): Wikibase\Repo\Store\WikiPageEntityStore->assignFreshId(Wikibase\DataModel\Entity\Item)
#8 /srv/mediawiki/php-1.33.0-wmf.1/extensions/Wikibase/repo/includes/Api/EntitySavingHelper.php(269): Wikibase\Lib\Store\TypeDispatchingEntityStore->assignFreshId(Wikibase\DataModel\Entity\Item)
#9 /srv/mediawiki/php-1.33.0-wmf.1/extensions/Wikibase/repo/includes/Api/EntitySavingHelper.php(197): Wikibase\Repo\Api\EntitySavingHelper->createEntity(string, NULL)
#10 /srv/mediawiki/php-1.33.0-wmf.1/extensions/Wikibase/repo/includes/Api/ModifyEntity.php(277): Wikibase\Repo\Api\EntitySavingHelper->loadEntity()
#11 /srv/mediawiki/php-1.33.0-wmf.1/includes/api/ApiMain.php(1570): Wikibase\Repo\Api\ModifyEntity->execute()
#12 /srv/mediawiki/php-1.33.0-wmf.1/includes/api/ApiMain.php(531): ApiMain->executeAction()
#13 /srv/mediawiki/php-1.33.0-wmf.1/includes/api/ApiMain.php(502): ApiMain->executeActionWithErrorHandling()
#14 /srv/mediawiki/php-1.33.0-wmf.1/api.php(87): ApiMain->execute()
#15 /srv/mediawiki/w/api.php(3): include(string)
#16 {main}
```
=== Impact ===
* high error rate in logstash.
* train rolled back to group0
=== Notes ===