Prueba a recargar dentro de unos minutos.
(No se puede acceder a la base de datos: Cannot access the database: :real_connect(): (HY000/1045): Access denied for user 'wikiuser'@'localhost' (using password: NO))
Backtrace:
#0 /var/www/production/w/includes/libs/rdbms/database/DatabaseMysqlBase.php(142): Wikimedia\Rdbms\Database->newExceptionAfterConnectError() #1 /var/www/production/w/includes/libs/rdbms/database/Database.php(335): Wikimedia\Rdbms\DatabaseMysqlBase->open() #2 /var/www/production/w/includes/libs/rdbms/database/Database.php(319): Wikimedia\Rdbms\Database->doInitConnection() #3 /var/www/production/w/includes/libs/rdbms/database/Database.php(444): Wikimedia\Rdbms\Database->initConnection() #4 /var/www/production/w/includes/filerepo/ForeignDBRepo.php(116): Wikimedia\Rdbms\Database::factory() #5 /var/www/production/w/includes/filerepo/ForeignDBRepo.php(91): ForeignDBRepo->{closure}() #6 /var/www/production/w/includes/filerepo/ForeignDBRepo.php(98): ForeignDBRepo->getMasterDB() #7 /var/www/production/w/includes/filerepo/LocalRepo.php(380): ForeignDBRepo->getReplicaDB() #8 /var/www/production/w/includes/filerepo/RepoGroup.php(288): LocalRepo->findBySha1() #9 /var/www/production/w/includes/specials/SpecialFileDuplicateSearch.php(68): RepoGroup->findBySha1() #10 /var/www/production/w/includes/specials/SpecialFileDuplicateSearch.php(166): SpecialFileDuplicateSearch->getDupes() #11 /var/www/production/w/includes/specialpage/SpecialPage.php(600): SpecialFileDuplicateSearch->execute() #12 /var/www/production/w/includes/specialpage/SpecialPageFactory.php(635): SpecialPage->run() #13 /var/www/production/w/includes/MediaWiki.php(307): MediaWiki\SpecialPage\SpecialPageFactory->executePath() #14 /var/www/production/w/includes/MediaWiki.php(947): MediaWiki->performRequest() #15 /var/www/production/w/includes/MediaWiki.php(547): MediaWiki->main() #16 /var/www/production/w/index.php(53): MediaWiki->run() #17 /var/www/production/w/index.php(46): wfIndexMain() #18 {main}