Fatal error: Uncaught PDOException: SQLSTATE[HY000] [2002] No such file or directory in /app/public/php/chat-typing-status/config.php:13 Stack trace: #0 /app/public/php/chat-typing-status/config.php(13): PDO->__construct('mysql:dbname=;h...', '', '') #1 /app/public/php/chat-typing-status/index.php(2): include('/app/public/php...') #2 {main} thrown in /app/public/php/chat-typing-status/config.php on line 13