ERROR: Connect Error (1040). Too many connections

10. [ERROR] bridge\exception::error()      called at ./classes/helpers/database/database.php:54
 9. [OK]    bridge\database->connect()     called at ./classes/helpers/database/database.php:44
 8. [OK]    bridge\database->__construct() called at ./autoload.php:201
 7. [OK]    bridge\autoload::init()        called at ./autoload.php:40
 6. [OK]    require_once()                 called at /var/www/medsites/linkxpress/includes/Helper/Bridge.php:13
 5. [OK]    Helper_Bridge::load()          called at /var/www/medsites/linkxpress/includes/Helper/GDPR.php:7
 4. [OK]    Helper_GDPR->__construct()     called at /var/www/medsites/linkxpress/includes/Helper/GDPR.php:236
 3. [OK]    Helper_GDPR::show_popups()     called at /var/www/medsites/linkxpress/includes/Helper/SelectLanguage.php:67
 2. [OK]    Helper_SelectLanguage::html()  called at /var/www/medsites/medicalimaging/templates/rhuk_solarflare_ii/index.php:56
 1. [OK]    require_once()                 called at /var/www/medsites/medicalimaging/index.php:403