Fatal error: Uncaught PDOException: SQLSTATE[HY000] [2002] Connection refused in /home/kootaoomadmin/public_html/vendor/magento/zendframework1/library/Zend/Db/Adapter/Pdo/Abstract.php:128 Stack trace: #0 /home/kootaoomadmin/public_html/vendor/magento/zendframework1/library/Zend/Db/Adapter/Pdo/Abstract.php(128): PDO->__construct('mysql:host=loca...', 'kootaoomadmin_m...', 'm1$#@786321', Array) #1 /home/kootaoomadmin/public_html/vendor/magento/zendframework1/library/Zend/Db/Adapter/Pdo/Mysql.php(111): Zend_Db_Adapter_Pdo_Abstract->_connect() #2 /home/kootaoomadmin/public_html/vendor/magento/framework/DB/Adapter/Pdo/Mysql.php(410): Zend_Db_Adapter_Pdo_Mysql->_connect() #3 /home/kootaoomadmin/public_html/vendor/magento/zendframework1/library/Zend/Db/Adapter/Abstract.php(861): Magento\Framework\DB\Adapter\Pdo\Mysql->_connect() #4 /home/kootaoomadmin/public_html/generated/code/Magento/Framework/DB/Adapter/Pdo/Mysql/Interceptor.php(1636): Zend_Db_Adapter_Abstract->quote('', NULL) #5 /home/kootaoomadmin/public_html/vendor/magento in /home/kootaoomadmin/public_html/vendor/magento/zendframework1/library/Zend/Db/Adapter/Pdo/Abstract.php on line 144