Noticed the following error on IRC,
Full stacktrace,
[2019-10-20 15:08:58] error.WARNING: [92cf245a3bea4180c66584ed] /w/api.php ErrorException from line 333 of /srv/mediawiki/tags/2019-10-16_13:12:26/includes/debug/MWDebug.php: PHP Notice: Got unknown title from the database: 1206:Tracker-js-cdbf71-Unknown_error_happened_while_f/cs [Called from MessageCollection::rowToKey in /srv/mediawiki/tags/2019-10-16_13:12:26/extensions/Translate/MessageCollection.php at line 780] {"exception":"[object] (ErrorException(code: 0): PHP Notice: Got unknown title from the database: 1206:Tracker-js-cdbf71-Unknown_error_happened_while_f/cs [Called from MessageCollection::rowToKey in /srv/mediawiki/tags/2019-10-16_13:12:26/extensions/Translate/MessageCollection.php at line 780] at /srv/mediawiki/tags/2019-10-16_13:12:26/includes/debug/MWDebug.php:333) [stacktrace] #0 [internal function]: MWExceptionHandler::handleError(1024, 'Got unknown tit...', '/srv/mediawiki/...', 333, Array) #1 /srv/mediawiki/tags/2019-10-16_13:12:26/includes/debug/MWDebug.php(333): trigger_error('Got unknown tit...', 1024) #2 /srv/mediawiki/tags/2019-10-16_13:12:26/includes/debug/MWDebug.php(188): MWDebug::sendMessage('Got unknown tit...', Array, 'warning', 1024) #3 /srv/mediawiki/tags/2019-10-16_13:12:26/includes/GlobalFunctions.php(1066): MWDebug::warning('Got unknown tit...', 2, 1024, 'auto') #4 /srv/mediawiki/tags/2019-10-16_13:12:26/extensions/Translate/MessageCollection.php(780): wfWarn('Got unknown tit...') #5 /srv/mediawiki/tags/2019-10-16_13:12:26/extensions/Translate/MessageCollection.php(497): MessageCollection->rowToKey(Object(stdClass)) #6 /srv/mediawiki/tags/2019-10-16_13:12:26/extensions/Translate/MessageCollection.php(391): MessageCollection->filterHastranslation(Array, true) #7 /srv/mediawiki/tags/2019-10-16_13:12:26/extensions/Translate/MessageCollection.php(359): MessageCollection->applyFilter('hastranslation', true, NULL) #8 /srv/mediawiki/tags/2019-10-16_13:12:26/extensions/Translate/api/ApiQueryMessageCollection.php(96): MessageCollection->filter('hastranslation', true, NULL) #9 /srv/mediawiki/tags/2019-10-16_13:12:26/extensions/Translate/api/ApiQueryMessageCollection.php(22): ApiQueryMessageCollection->run() #10 /srv/mediawiki/tags/2019-10-16_13:12:26/includes/api/ApiQuery.php(255): ApiQueryMessageCollection->execute() #11 /srv/mediawiki/tags/2019-10-16_13:12:26/includes/api/ApiMain.php(1602): ApiQuery->execute() #12 /srv/mediawiki/tags/2019-10-16_13:12:26/includes/api/ApiMain.php(538): ApiMain->executeAction() #13 /srv/mediawiki/tags/2019-10-16_13:12:26/includes/api/ApiMain.php(509): ApiMain->executeActionWithErrorHandling() #14 /srv/mediawiki/tags/2019-10-16_13:12:26/api.php(83): ApiMain->execute() #15 {main} ","exception_id":"92cf245a3bea4180c66584ed","exception_url":"/w/api.php","caught_by":"mwe_handler"} [] [20-Oct-2019 15:08:58 UTC] PHP Notice: Got unknown title from the database: 1206:Tracker-js-cdbf71-Unknown_error_happened_while_f/cs [Called from MessageCollection::rowToKey in /srv/mediawiki/tags/2019-10-16_13:12:26/extensions/Translate/MessageCollection.php at line 780] in /srv/mediawiki/tags/2019-10-16_13:12:26/includes/debug/MWDebug.php on line 333