Warning: PDO::query(): MySQL server has gone away in /opt/bitnami/apache2/htdocs/classes/db/DbPDO.php on line 156

Warning: PDO::query(): Error reading result set's header 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(663): DbCore->query('SELECT *\nFROM `...') #2 /opt/bitnami/apache2/htdocs/src/Adapter/EntityMapper.php(75): DbCore->getRow(Object(DbQuery)) #3 /opt/bitnami/apache2/htdocs/classes/ObjectModel.php(264): PrestaShop\PrestaShop\Adapter\EntityMapper->load(2, NULL, Object(Language), Array, 1, true) #4 /opt/bitnami/apache2/htdocs/classes/Tools.php(656): ObjectModelCore->__construct(2) #5 /opt/bitnami/apache2/htdocs/classes/Dispatcher.php(242): ToolsCore::switchLanguage() #6 /opt/bitnami/apache2/htdocs/classes/Dispatcher.php(207): DispatcherCore->__construct(Object(Symfony\Component\HttpFoundation\Request)) #7 /opt/bitnami/apache2/htdocs/index.php(29): DispatcherCore::getInstance() #8 {main} in /opt/bitnami/apache2/htdocs/classes/db/DbPDO.php on line 127