The wiki seems to be usable anyway.
Trace:
2023-02-01 10:32:50 web plugin_mediawiki_187: [80150e4ad110166c40f25793] [no req] Wikimedia\Rdbms\DBUnexpectedError from line 378 of /usr/share/mediawiki-tuleap-flavor/includes/libs/rdbms/loadbalancer/LoadBalancer.php: Handle requested with CONN_TRX_AUTOCOMMIT yet it has a transaction #0 /usr/share/mediawiki-tuleap-flavor/includes/libs/rdbms/loadbalancer/LoadBalancer.php(961): Wikimedia\Rdbms\LoadBalancer->enforceConnectionFlags()
#1 /usr/share/mediawiki-tuleap-flavor/includes/libs/rdbms/loadbalancer/LoadBalancer.php(904): Wikimedia\Rdbms\LoadBalancer->getServerConnection()
#2 /usr/share/mediawiki-tuleap-flavor/includes/libs/rdbms/loadbalancer/LoadBalancer.php(1049): Wikimedia\Rdbms\LoadBalancer->getConnection()
#3 /usr/share/mediawiki-tuleap-flavor/includes/jobqueue/JobQueueDB.php(830): Wikimedia\Rdbms\LoadBalancer->getMaintenanceConnectionRef()
#4 /usr/share/mediawiki-tuleap-flavor/includes/jobqueue/JobQueueDB.php(789): JobQueueDB->getDB()
#5 /usr/share/mediawiki-tuleap-flavor/includes/jobqueue/JobQueueDB.php(202): JobQueueDB->getMasterDB()
#6 /usr/share/mediawiki-tuleap-flavor/includes/jobqueue/JobQueue.php(374): JobQueueDB->doBatchPush()
#7 /usr/share/mediawiki-tuleap-flavor/includes/jobqueue/JobQueue.php(344): JobQueue->batchPush()
#8 /usr/share/mediawiki-tuleap-flavor/includes/jobqueue/JobQueueGroup.php(171): JobQueue->push()
#9 /usr/share/mediawiki-tuleap-flavor/includes/jobqueue/JobQueueGroup.php(210): JobQueueGroup->push()
#10 /usr/share/mediawiki-tuleap-flavor/includes/Storage/DerivedPageDataUpdater.php(1496): JobQueueGroup->lazyPush()
#11 /usr/share/mediawiki-tuleap-flavor/includes/Storage/PageUpdater.php(1343): MediaWiki\Storage\DerivedPageDataUpdater->doUpdates()
#12 /usr/share/mediawiki-tuleap-flavor/includes/libs/rdbms/database/Database.php(4473): MediaWiki\Storage\PageUpdater->MediaWiki\Storage\{closure}()
#13 /usr/share/mediawiki-tuleap-flavor/includes/libs/rdbms/database/DBConnRef.php(68): Wikimedia\Rdbms\Database->doAtomicSection()
#14 /usr/share/mediawiki-tuleap-flavor/includes/libs/rdbms/database/DBConnRef.php(641): Wikimedia\Rdbms\DBConnRef->__call()
#15 /usr/share/mediawiki-tuleap-flavor/includes/deferred/AtomicSectionUpdate.php(39): Wikimedia\Rdbms\DBConnRef->doAtomicSection()
#16 /usr/share/mediawiki-tuleap-flavor/includes/deferred/DeferredUpdates.php(467): AtomicSectionUpdate->doUpdate()
#17 /usr/share/mediawiki-tuleap-flavor/includes/deferred/DeferredUpdates.php(344): DeferredUpdates::attemptUpdate()
#18 /usr/share/mediawiki-tuleap-flavor/includes/deferred/DeferredUpdates.php(278): DeferredUpdates::run()
#19 /usr/share/mediawiki-tuleap-flavor/includes/deferred/DeferredUpdates.php(190): DeferredUpdates::handleUpdateQueue()
#20 /usr/share/mediawiki-tuleap-flavor/includes/deferred/DeferredUpdates.php(491): DeferredUpdates::doUpdates()
#21 /usr/share/mediawiki-tuleap-flavor/includes/deferred/DeferredUpdates.php(131): DeferredUpdates::tryOpportunisticExecute()
#22 /usr/share/mediawiki-tuleap-flavor/includes/Storage/PageUpdater.php(1311): DeferredUpdates::addUpdate()
#23 /usr/share/mediawiki-tuleap-flavor/includes/Storage/PageUpdater.php(796): MediaWiki\Storage\PageUpdater->doCreate()
#24 /usr/share/mediawiki-tuleap-flavor/includes/page/WikiPage.php(2015): MediaWiki\Storage\PageUpdater->saveRevision()
#25 /usr/share/mediawiki-tuleap-flavor/extensions/TuleapWikiFarm/src/InstanceCliInstaller.php(151): WikiPage->doEditContent()
#26 /usr/share/mediawiki-tuleap-flavor/includes/installer/Installer.php(1736): TuleapWikiFarm\InstanceCliInstaller->createMainpage()
#27 /usr/share/mediawiki-tuleap-flavor/extensions/TuleapWikiFarm/src/InstanceCliInstaller.php(53): Installer->performInstallation()
#28 /usr/share/mediawiki-tuleap-flavor/extensions/TuleapWikiFarm/maintenance/installInstance.php(51): TuleapWikiFarm\InstanceCliInstaller->execute()
#29 /usr/share/mediawiki-tuleap-flavor/maintenance/doMaintenance.php(107): InstallInstance->execute()
#30 /usr/share/mediawiki-tuleap-flavor/extensions/TuleapWikiFarm/maintenance/installInstance.php(61): require_once(string)
#31 {main}