Fatal error: Uncaught CredisException: Lost connection to Redis server. in /var/www/magento/vendor/colinmollenhour/credis/Client.php:1285 Stack trace: #0 /var/www/magento/vendor/colinmollenhour/credis/Client.php(1034): Credis_Client->read_reply() #1 /var/www/magento/vendor/colinmollenhour/credis/Client.php(644): Credis_Client->__call() #2 /var/www/magento/vendor/colinmollenhour/cache-backend-redis/Cm/Cache/Backend/Redis.php(410): Credis_Client->auth() #3 /var/www/magento/vendor/colinmollenhour/cache-backend-redis/Cm/Cache/Backend/Redis.php(250): Cm_Cache_Backend_Redis->_applyClientOptions() #4 /var/www/magento/vendor/magento/framework/Cache/Backend/Redis.php(34): Cm_Cache_Backend_Redis->__construct() #5 /var/www/magento/vendor/magento/zendframework1/library/Zend/Cache.php(153): Magento\Framework\Cache\Backend\Redis->__construct() #6 /var/www/magento/vendor/magento/zendframework1/library/Zend/Cache.php(94): Zend_Cache::_makeBackend() #7 /var/www/magento/vendor/magento/framework/App/Cache/Frontend/Factory.php(156): Zend_Cac in /var/www/magento/vendor/colinmollenhour/credis/Client.php on line 1285