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(Cannot access the database)
Backtrace:
#0 /storage/srv/www/htdocs/mediawiki-1.30.0/includes/libs/rdbms/loadbalancer/LoadBalancer.php(1028): Wikimedia\Rdbms\Database->reportConnectionError('Too many connec...') #1 /storage/srv/www/htdocs/mediawiki-1.30.0/includes/libs/rdbms/loadbalancer/LoadBalancer.php(670): Wikimedia\Rdbms\LoadBalancer->reportConnectionError() #2 /storage/srv/www/htdocs/mediawiki-1.30.0/includes/GlobalFunctions.php(2858): Wikimedia\Rdbms\LoadBalancer->getConnection(0, Array, false) #3 /storage/srv/www/htdocs/mediawiki-1.30.0/includes/cache/MessageCache.php(471): wfGetDB(-1, 'api') #4 /storage/srv/www/htdocs/mediawiki-1.30.0/includes/cache/MessageCache.php(426): MessageCache->loadFromDB('de', NULL) #5 /storage/srv/www/htdocs/mediawiki-1.30.0/includes/cache/MessageCache.php(350): MessageCache->loadFromDBWithLock('de', Array, NULL) #6 /storage/srv/www/htdocs/mediawiki-1.30.0/includes/cache/MessageCache.php(991): MessageCache->load('de') #7 /storage/srv/www/htdocs/mediawiki-1.30.0/includes/cache/MessageCache.php(919): MessageCache->getMsgFromNamespace('Badtitle', 'de') #8 /storage/srv/www/htdocs/mediawiki-1.30.0/includes/cache/MessageCache.php(888): MessageCache->getMessageForLang(Object(Language), 'badtitle', true, Array) #9 /storage/srv/www/htdocs/mediawiki-1.30.0/includes/cache/MessageCache.php(828): MessageCache->getMessageFromFallbackChain(Object(Language), 'badtitle', true) #10 /storage/srv/www/htdocs/mediawiki-1.30.0/includes/Message.php(1275): MessageCache->get('badtitle', true, Object(Language)) #11 /storage/srv/www/htdocs/mediawiki-1.30.0/includes/Message.php(842): Message->fetchMessage() #12 /storage/srv/www/htdocs/mediawiki-1.30.0/includes/Message.php(934): Message->toString('text') #13 /storage/srv/www/htdocs/mediawiki-1.30.0/includes/OutputPage.php(986): Message->text() #14 /storage/srv/www/htdocs/mediawiki-1.30.0/includes/OutputPage.php(2478): OutputPage->setPageTitle(Object(Message)) #15 /storage/srv/www/htdocs/mediawiki-1.30.0/includes/OutputPage.php(2507): OutputPage->prepareErrorPage(Object(Message)) #16 /storage/srv/www/htdocs/mediawiki-1.30.0/includes/exception/ErrorPageError.php(68): OutputPage->showErrorPage(Object(Message), 'title-invalid-c...', Array) #17 /storage/srv/www/htdocs/mediawiki-1.30.0/includes/exception/BadRequestError.php(32): ErrorPageError->report() #18 /storage/srv/www/htdocs/mediawiki-1.30.0/includes/MediaWiki.php(529): BadRequestError->report() #19 /storage/srv/www/htdocs/mediawiki-1.30.0/index.php(43): MediaWiki->run() #20 {main}