Warning: PDO::query(): MySQL server has gone away in /var/www/ps_cignal/classes/db/DbPDO.php on line 165

Warning: PDO::query(): Error reading result set's header in /var/www/ps_cignal/classes/db/DbPDO.php on line 165

Fatal error: Uncaught PrestaShopException: Link to database cannot be established: SQLSTATE[HY000] [2002] Connection refused in /var/www/ps_cignal/classes/db/DbPDO.php:136 Stack trace: #0 /var/www/ps_cignal/classes/db/Db.php(379): DbPDOCore->connect() #1 /var/www/ps_cignal/classes/db/Db.php(613): DbCore->query('SELECT name, al...') #2 /var/www/ps_cignal/classes/Hook.php(343): DbCore->executeS('SELECT name, al...') #3 /var/www/ps_cignal/classes/Hook.php(148): HookCore::getCanonicalHookNames() #4 /var/www/ps_cignal/classes/Hook.php(367): HookCore::normalizeHookName('moduleRoutes') #5 /var/www/ps_cignal/classes/Hook.php(390): HookCore::getAllKnownNames('moduleRoutes') #6 /var/www/ps_cignal/classes/Hook.php(923): HookCore::isHookCallableOn(Object(RegistrationFields), 'moduleRoutes') #7 /var/www/ps_cignal/classes/Dispatcher.php(596): HookCore::exec('moduleRoutes', Array, NULL, true, false) #8 /var/www/ps_cignal/classes/Dispatcher.php(249): DispatcherCore->loadRoutes() #9 /var/www/ps_cignal/classes/Dispatcher.php(207): Dispatch in /var/www/ps_cignal/classes/db/DbPDO.php on line 136