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(Cannot access the database: Too many connections (127.0.0.1))
Backtrace:
#0 /var/www/mediawiki/includes/libs/rdbms/loadbalancer/LoadBalancer.php(1134): Wikimedia\Rdbms\Database->reportConnectionError('Too many connec...') #1 /var/www/mediawiki/includes/libs/rdbms/loadbalancer/LoadBalancer.php(749): Wikimedia\Rdbms\LoadBalancer->reportConnectionError() #2 /var/www/mediawiki/includes/GlobalFunctions.php(2801): Wikimedia\Rdbms\LoadBalancer->getConnection(0, Array, false) #3 /var/www/mediawiki/includes/cache/LinkCache.php(270): wfGetDB(-1) #4 /var/www/mediawiki/includes/Title.php(3449): LinkCache->addLinkObj(Object(Title)) #5 /var/www/mediawiki/includes/MediaWiki.php(94): Title->getArticleID() #6 /var/www/mediawiki/includes/MediaWiki.php(141): MediaWiki->parseTitle() #7 /var/www/mediawiki/includes/MediaWiki.php(777): MediaWiki->getTitle() #8 /var/www/mediawiki/includes/MediaWiki.php(524): MediaWiki->main() #9 /var/www/mediawiki/index.php(42): MediaWiki->run() #10 {main}