{"error":{"code":"internal_api_error_Error","info":"[88ee40dc60a18249d4773f5f] Exception caught: Undefined constant \"DB_MASTER\"","errorclass":"Error","*":"Error at /var/www/html/extensions/MediaWikiChat/includes/api/SetChatTypingAPI.php(14)\nfrom /var/www/html/extensions/MediaWikiChat/includes/api/SetChatTypingAPI.php(14)\n#0 /var/www/html/includes/api/ApiMain.php(1975): SetChatTypingAPI->execute()\n#1 /var/www/html/includes/api/ApiMain.php(943): MediaWiki\\Api\\ApiMain->executeAction()\n#2 /var/www/html/includes/api/ApiMain.php(914): MediaWiki\\Api\\ApiMain->executeActionWithErrorHandling()\n#3 /var/www/html/includes/api/ApiEntryPoint.php(153): MediaWiki\\Api\\ApiMain->execute()\n#4 /var/www/html/includes/MediaWikiEntryPoint.php(200): MediaWiki\\Api\\ApiEntryPoint->execute()\n#5 /var/www/html/api.php(44): MediaWiki\\MediaWikiEntryPoint->run()\n#6 {main}"}}