[XbK-egpAEDUAADHKTeUAAAAS] /w/api.php?... Wikimedia\Rdbms\DBTransactionStateError from line 1433 of /srv/mediawiki/php-1.35.0-wmf.3/includes/libs/rdbms/database/Database.php: Cannot execute query from Wikibase\Repo\Content\DataUpdateAdapter::doUpdate while transaction status is ERROR
There's about 1500 of these in the past hour, and they seem to stilll be happening.
I don't know if this is severe enough to warrant rolling back to previous version. If it does, please raise severity to Unbreak now, please.