=== Error ===
Request ID: `XHQeDQpAMDgAAFUtII0AAADO `
```name=message
Error: 1062 Duplicate entry '####-####' for key 'PRIMARY' (10.64.32.136)
Function: EchoNotificationMapper::insert
Query: INSERT INTO `echo_notification` (notification_event,notification_user,notification_timestamp,notification_read_timestamp,notification_bundle_base,notification_bundle_hash,notification_bundle_display_hash) VALUES (###,####,'2019#',NULL,'#','#############','###############')
```
```name=trace,lines=10
#3 /srv/mediawiki/php-1.33.0-wmf.18/extensions/Echo/includes/mapper/NotificationMapper.php(46): Wikimedia\Rdbms\Database->insert(string, array, string)
#4 /srv/mediawiki/php-1.33.0-wmf.18/includes/libs/rdbms/database/Database.php(3806): Closure$EchoNotificationMapper::insert(Wikimedia\Rdbms\DatabaseMysqli, string)
#5 /srv/mediawiki/php-1.33.0-wmf.18/includes/deferred/AtomicSectionUpdate.php(35): Wikimedia\Rdbms\Database->doAtomicSection(string, Closure$EchoNotificationMapper::insert;2098)
#6 /srv/mediawiki/php-1.33.0-wmf.18/includes/deferred/DeferredUpdates.php(270): AtomicSectionUpdate->doUpdate()
#7 /srv/mediawiki/php-1.33.0-wmf.18/includes/deferred/DeferredUpdates.php(216): DeferredUpdates::runUpdate(AtomicSectionUpdate, Wikimedia\Rdbms\LBFactoryMulti, string, integer)
#8 /srv/mediawiki/php-1.33.0-wmf.18/includes/deferred/DeferredUpdates.php(140): DeferredUpdates::execute(array, string, integer)
#9 /srv/mediawiki/php-1.33.0-wmf.18/extensions/EventBus/includes/JobExecutor.php(90): DeferredUpdates::doUpdates()
#10 /srv/mediawiki/rpc/RunSingleJob.php(77): JobExecutor->execute(array)
```
=== Impact ===
The impact is limited to Echo itself, in that the problem is during a deferred update which is has its execution isolated from the job itself and from other deferred updates.
Impact on Echo itself when this particular update does not happen is: //(unknown//.
=== Notes ===
About 11,000 job queue executions encountered this exception in the past 7 days.
Started shortly after promotion of the 1.33-wmf.18 branch.
{F28283012}