Fatal error: Uncaught mysqli_sql_exception: Too many connections in /volume1/web/gws/app/core/db/classes/DB.php on line 14

mysqli_sql_exception: Too many connections in /volume1/web/gws/app/core/db/classes/DB.php on line 14

Call Stack:
    0.0001     361616   1. {main}() /volume1/web/gws/index.php:0
    0.0056     379440   2. require_once('/volume1/web/gws/app/core/db/classes/DB.php') /volume1/web/gws/index.php:15
    0.0056     379600   3. DB->__construct() /volume1/web/gws/app/core/db/classes/DB.php:223
    0.0056     379984   4. mysqli->__construct($hostname = 'localhost', $username = 'root', $password = '[Sensitive Parameter]', $database = 'stock') /volume1/web/gws/app/core/db/classes/DB.php:14