ERROR: Connect Error (1040). Too many connections

7. [ERROR] bridge\exception::error()      called at ./classes/helpers/database/database.php:54
6. [OK]    bridge\database->connect()     called at ./classes/helpers/database/database.php:44
5. [OK]    bridge\database->__construct() called at ./autoload.php:201
4. [OK]    bridge\autoload::init()        called at ./autoload.php:40
3. [OK]    require_once()                 called at /var/www/medsites/linkxpress/includes/Helper/Bridge.php:13
2. [OK]    Helper_Bridge::load()          called at /var/www/medsites/shared/components/com_mobile_login/mobile_login.php:223
1. [OK]    require_once()                 called at /var/www/medsites/mobile_labmedica/index.php:356