Fatal error: Uncaught PDOException: SQLSTATE[HY000] [2002] No route to host in /var/www/html/web/buybooks/inc/function-mysql.php:13 Stack trace: #0 /var/www/html/web/buybooks/inc/function-mysql.php(13): PDO->__construct() #1 /var/www/html/web/buybooks/index.php(16): require('/var/www/html/w...') #2 {main} thrown in /var/www/html/web/buybooks/inc/function-mysql.php on line 13