Warning: Error while sending QUERY packet. PID=28278 in /opt/bitnami/apache2/htdocs/classes/db/DbPDO.php on line 156

Fatal error: Uncaught exception 'PrestaShopException' with message 'Link to database cannot be established: SQLSTATE[HY000] [2002] Connection refused' in /opt/bitnami/apache2/htdocs/classes/db/DbPDO.php:127 Stack trace: #0 /opt/bitnami/apache2/htdocs/classes/db/Db.php(379): DbPDOCore->connect() #1 /opt/bitnami/apache2/htdocs/classes/db/Db.php(613): DbCore->query('SELECT l.*, ls....') #2 /opt/bitnami/apache2/htdocs/classes/Language.php(910): DbCore->executeS('SELECT l.*, ls....') #3 /opt/bitnami/apache2/htdocs/config/config.inc.php(138): LanguageCore::loadLanguages() #4 /opt/bitnami/apache2/htdocs/index.php(28): require('/opt/bitnami/ap...') #5 {main} thrown in /opt/bitnami/apache2/htdocs/classes/db/DbPDO.php on line 127