Session "{session}" Metadata merge failed: exception 'MediaWiki\Session\MetadataMergeException in /srv/mediawiki/php-1.29.0-wmf.12/includes/session/SessionProvider.php:205 Stack trace: #0 /srv/mediawiki/php-1.29.0-wmf.12/includes/session/SessionManager.php(637): MediaWiki\Session\SessionProvider->mergeMetadata() #1 /srv/mediawiki/php-1.29.0-wmf.12/includes/session/SessionManager.php(506): MediaWiki\Session\SessionManager->loadSessionInfoFromStore() #2 /srv/mediawiki/php-1.29.0-wmf.12/includes/session/SessionManager.php(190): MediaWiki\Session\SessionManager->getSessionInfoForRequest() #3 /srv/mediawiki/php-1.29.0-wmf.12/includes/WebRequest.php(735): MediaWiki\Session\SessionManager->getSessionForRequest() #4 /srv/mediawiki/php-1.29.0-wmf.12/includes/session/SessionManager.php(129): WebRequest->getSession() #5 /srv/mediawiki/php-1.29.0-wmf.12/includes/Setup.php(757): MediaWiki\Session\SessionManager::getGlobalSession() #6 /srv/mediawiki/php-1.29.0-wmf.12/includes/WebStart.php(136): include() #7 /srv/mediawiki/php-1.29.0-wmf.12/index.php(40): include() #8 /srv/mediawiki/w/index.php(3): include() #9 {main}
https://logstash.wikimedia.org/goto/e13abb4a6f31afe6b0671c1480bc6190