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(613): DbCore->query('SELECT * FROM `...') #2 /opt/bitnami/apache2/htdocs/classes/Hook.php(238): DbCore->executeS('SELECT * FROM `...') #3 /opt/bitnami/apache2/htdocs/classes/Hook.php(379): HookCore::getHookAliasList() #4 /opt/bitnami/apache2/htdocs/classes/Hook.php(695): HookCore::getRetroHookName('moduleRoutes') #5 /opt/bitnami/apache2/htdocs/classes/Hook.php(775): HookCore::getHookModuleExecList('moduleRoutes') #6 /opt/bitnami/apache2/htdocs/classes/Dispatcher.php(593): HookCore::exec('moduleRoutes', Array, NULL, true, false) #7 /opt/bitnami/apache2/htdocs/classes/Dispatcher.php(249): DispatcherCore->loadRoutes() #8 /opt/bitnami/apache2/htdocs/classes/Dispatcher.php(207): Dispatche in /opt/bitnami/apache2/htdocs/classes/db/DbPDO.php on line 127