Deferred update 'AtomicSectionUpdate_EchoNotificationMapper::insert' failed to run.

from /srv/mediawiki/php-1.36.0-wmf.27/includes/libs/rdbms/database/Database.php(1702)
#0 /srv/mediawiki/php-1.36.0-wmf.27/includes/libs/rdbms/database/Database.php(1686): Wikimedia\Rdbms\Database->getQueryException(string, integer, string, string)
#1 /srv/mediawiki/php-1.36.0-wmf.27/includes/libs/rdbms/database/Database.php(1661): Wikimedia\Rdbms\Database->getQueryExceptionAndLog(string, integer, string, string)
#2 /srv/mediawiki/php-1.36.0-wmf.27/includes/libs/rdbms/database/Database.php(1230): Wikimedia\Rdbms\Database->reportQueryError(string, integer, string, string, boolean)
#3 /srv/mediawiki/php-1.36.0-wmf.27/includes/libs/rdbms/database/Database.php(2346): Wikimedia\Rdbms\Database->query(string, string, integer)
#4 /srv/mediawiki/php-1.36.0-wmf.27/includes/libs/rdbms/database/Database.php(2326): Wikimedia\Rdbms\Database->doInsert(string, array, string)
#5 /srv/mediawiki/php-1.36.0-wmf.27/extensions/Echo/includes/mapper/NotificationMapper.php(28): Wikimedia\Rdbms\Database->insert(string, array, string)
#6 /srv/mediawiki/php-1.36.0-wmf.27/includes/libs/rdbms/database/Database.php(4499): EchoNotificationMapper->{closure}(Wikimedia\Rdbms\DatabaseMysqli, string)
#7 /srv/mediawiki/php-1.36.0-wmf.27/includes/deferred/AtomicSectionUpdate.php(39): Wikimedia\Rdbms\Database->doAtomicSection(string, Closure)
#8 /srv/mediawiki/php-1.36.0-wmf.27/includes/deferred/DeferredUpdates.php(513): AtomicSectionUpdate->doUpdate()
#9 /srv/mediawiki/php-1.36.0-wmf.27/includes/deferred/DeferredUpdates.php(390): DeferredUpdates::attemptUpdate(AtomicSectionUpdate, Wikimedia\Rdbms\LBFactoryMulti)
#10 /srv/mediawiki/php-1.36.0-wmf.27/includes/deferred/DeferredUpdates.php(221): DeferredUpdates::run(AtomicSectionUpdate, Wikimedia\Rdbms\LBFactoryMulti, Monolog\Logger, BufferingStatsdDataFactory, string)
#11 /srv/mediawiki/php-1.36.0-wmf.27/includes/deferred/DeferredUpdatesScope.php(267): DeferredUpdates::{closure}(AtomicSectionUpdate, integer)
#12 /srv/mediawiki/php-1.36.0-wmf.27/includes/deferred/DeferredUpdatesScope.php(196): DeferredUpdatesScope->processStageQueue(integer, integer, Closure)
#13 /srv/mediawiki/php-1.36.0-wmf.27/includes/deferred/DeferredUpdates.php(242): DeferredUpdatesScope->processUpdates(integer, Closure)
#14 /srv/mediawiki/php-1.36.0-wmf.27/includes/MediaWiki.php(1117): DeferredUpdates::doUpdates(string)
#15 /srv/mediawiki/php-1.36.0-wmf.27/includes/MediaWiki.php(853): MediaWiki->restInPeace()
#16 /srv/mediawiki/php-1.36.0-wmf.27/includes/MediaWiki.php(865): MediaWiki->{closure}()
#17 /srv/mediawiki/php-1.36.0-wmf.27/includes/MediaWiki.php(587): MediaWiki->doPostOutputShutdown()
#18 /srv/mediawiki/php-1.36.0-wmf.27/index.php(53): MediaWiki->run()
#19 /srv/mediawiki/php-1.36.0-wmf.27/index.php(46): wfIndexMain()
#20 /srv/mediawiki/w/index.php(3): require(string)
#21 {main}