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Fatal error: Out of memory (allocated 20971520) (tried to allocate 16384 bytes) in /var/www/html/mediawiki/includes/libs/rdbms/database/DatabaseMysqli.php on line 46

Fatal error: Out of memory (allocated 20971520) (tried to allocate 32768 bytes) in /var/www/html/mediawiki/includes/json/FormatJson.php on line 1