Warning: mysqli_connect(): (08004/1040): Too many connections in /var/www/html/line8/class/linkDB.php on line 10

Fatal error: Uncaught Error: Call to undefined function LineShop\mysql_error() in /var/www/html/line8/class/linkDB.php:12 Stack trace: #0 /var/www/html/line8/catalog.php(22): LineShop\Db_Operation->__construct() #1 {main} thrown in /var/www/html/line8/class/linkDB.php on line 12