Fatal error: Uncaught Zend_Db_Adapter_Mysqli_Exception: Too many connections in /var/www/html/vendor/zendframework/zendframework1/library/Zend/Db/Adapter/Mysqli.php:340 Stack trace: #0 /var/www/html/vendor/zendframework/zendframework1/library/Zend/Db/Adapter/Abstract.php(460): Zend_Db_Adapter_Mysqli->_connect() #1 /var/www/html/application/Bootstrap.php(79): Zend_Db_Adapter_Abstract->query() #2 /var/www/html/vendor/zendframework/zendframework1/library/Zend/Application/Bootstrap/BootstrapAbstract.php(681): Bootstrap->_initDatabase() #3 /var/www/html/vendor/zendframework/zendframework1/library/Zend/Application/Bootstrap/BootstrapAbstract.php(634): Zend_Application_Bootstrap_BootstrapAbstract->_executeResource() #4 /var/www/html/vendor/zendframework/zendframework1/library/Zend/Application/Bootstrap/BootstrapAbstract.php(598): Zend_Application_Bootstrap_BootstrapAbstract->_bootstrap() #5 /var/www/html/vendor/zendframework/zendframework1/library/Zend/Application.php(373): Zend_Application_Bootstrap_BootstrapAbstract->bootstrap in /var/www/html/vendor/zendframework/zendframework1/library/Zend/Db/Adapter/Mysqli.php on line 340