```name=Error message
Error 1062: Duplicate entry 'XXXXXXX' for key 'PRIMARY' (10.64.48.35)
Function: WatchedItemStore::updateExpiriesAfterMove
Query: INSERT INTO `watchlist_expiry` (we_item,we_expiry) VALUES (XXXXXX, '20210212085219')
```
```lines=12,name=Stack Trace
#0 /srv/mediawiki/php-1.36.0-wmf.25/includes/libs/rdbms/database/Database.php(1683): Wikimedia\Rdbms\Database->getQueryException(string, integer, string, string)
#1 /srv/mediawiki/php-1.36.0-wmf.25/includes/libs/rdbms/database/Database.php(1658): Wikimedia\Rdbms\Database->getQueryExceptionAndLog(string, integer, string, string)
#2 /srv/mediawiki/php-1.36.0-wmf.25/includes/libs/rdbms/database/Database.php(1227): Wikimedia\Rdbms\Database->reportQueryError(string, integer, string, string, boolean)
#3 /srv/mediawiki/php-1.36.0-wmf.25/includes/libs/rdbms/database/Database.php(2343): Wikimedia\Rdbms\Database->query(string, string, integer)
#4 /srv/mediawiki/php-1.36.0-wmf.25/includes/libs/rdbms/database/Database.php(2323): Wikimedia\Rdbms\Database->doInsert(string, array, string)
#5 /srv/mediawiki/php-1.36.0-wmf.25/includes/libs/rdbms/database/DBConnRef.php(68): Wikimedia\Rdbms\Database->insert(string, array, string)
#6 /srv/mediawiki/php-1.36.0-wmf.25/includes/libs/rdbms/database/DBConnRef.php(369): Wikimedia\Rdbms\DBConnRef->__call(string, array)
#7 /srv/mediawiki/php-1.36.0-wmf.25/includes/watcheditem/WatchedItemStore.php(1692): Wikimedia\Rdbms\DBConnRef->insert(string, array, string)
#8 /srv/mediawiki/php-1.36.0-wmf.25/includes/deferred/MWCallableUpdate.php(38): WatchedItemStore->{closure}()
#9 /srv/mediawiki/php-1.36.0-wmf.25/includes/deferred/DeferredUpdates.php(467): MWCallableUpdate->doUpdate()
#10 /srv/mediawiki/php-1.36.0-wmf.25/includes/deferred/DeferredUpdates.php(344): DeferredUpdates::attemptUpdate(MWCallableUpdate, Wikimedia\Rdbms\LBFactoryMulti)
#11 /srv/mediawiki/php-1.36.0-wmf.25/includes/deferred/DeferredUpdates.php(278): DeferredUpdates::run(MWCallableUpdate, Wikimedia\Rdbms\LBFactoryMulti, Monolog\Logger, BufferingStatsdDataFactory, string)
#12 /srv/mediawiki/php-1.36.0-wmf.25/includes/deferred/DeferredUpdates.php(194): DeferredUpdates::handleUpdateQueue(array, string, integer)
#13 /srv/mediawiki/php-1.36.0-wmf.25/includes/MediaWiki.php(1118): DeferredUpdates::doUpdates(string)
#14 /srv/mediawiki/php-1.36.0-wmf.25/includes/MediaWiki.php(854): MediaWiki->restInPeace()
#15 /srv/mediawiki/php-1.36.0-wmf.25/includes/MediaWiki.php(866): MediaWiki->{closure}()
#16 /srv/mediawiki/php-1.36.0-wmf.25/includes/MediaWiki.php(587): MediaWiki->doPostOutputShutdown()
#17 /srv/mediawiki/php-1.36.0-wmf.25/index.php(53): MediaWiki->run()
#18 /srv/mediawiki/php-1.36.0-wmf.25/index.php(46): wfIndexMain()
#19 /srv/mediawiki/w/index.php(3): require(string)
#20 {main}
```
##### Impact
##### Notes