Fatal error: Uncaught PrestaShopException: Link to database cannot be established: SQLSTATE[HY000] [2002] Connection refused in /var/www/html/prestashop.webdigify.com/public_html/PRS01/PRS017_grocerymart/classes/db/DbPDO.php:119 Stack trace: #0 /var/www/html/prestashop.webdigify.com/public_html/PRS01/PRS017_grocerymart/classes/db/Db.php(380): DbPDOCore->connect() #1 /var/www/html/prestashop.webdigify.com/public_html/PRS01/PRS017_grocerymart/classes/db/Db.php(614): DbCore->query() #2 /var/www/html/prestashop.webdigify.com/public_html/PRS01/PRS017_grocerymart/modules/base_salenotification/base_salenotification.php(479): DbCore->executeS() #3 /var/www/html/prestashop.webdigify.com/public_html/PRS01/PRS017_grocerymart/modules/base_salenotification/base_salenotification.php(361): Base_salenotification->getCategory() #4 /var/www/html/prestashop.webdigify.com/public_html/PRS01/PRS017_grocerymart/classes/Hook.php(993): Base_salenotification->hookdisplayFooter() #5 /var/www/html/prestashop.webdigify.com/public_html/PRS01/PRS017_gr in /var/www/html/prestashop.webdigify.com/public_html/PRS01/PRS017_grocerymart/classes/Hook.php on line 431