Fatal error: Uncaught CredisException: Connection to Redis 127.0.0.1:6379 failed after 2 failures.Last Error : (1) Connection refused in /var/www/vhosts/gunda-automation.de/httpdocs/vendor/colinmollenhour/credis/Client.php:496 Stack trace: #0 /var/www/vhosts/gunda-automation.de/httpdocs/vendor/colinmollenhour/credis/Client.php(492): Credis_Client->connect() #1 /var/www/vhosts/gunda-automation.de/httpdocs/vendor/colinmollenhour/credis/Client.php(814): Credis_Client->connect() #2 /var/www/vhosts/gunda-automation.de/httpdocs/vendor/colinmollenhour/cache-backend-redis/Cm/Cache/Backend/Redis.php(485): Credis_Client->__call() #3 /var/www/vhosts/gunda-automation.de/httpdocs/vendor/magento/framework/Cache/Backend/Redis.php(61): Cm_Cache_Backend_Redis->load() #4 /var/www/vhosts/gunda-automation.de/httpdocs/vendor/magento/zendframework1/library/Zend/Cache/Core.php(306): Magento\Framework\Cache\Backend\Redis->load() #5 /var/www/vhosts/gunda-automation.de/httpdocs/vendor/magento/framework/Cache/Frontend/Adapter/Zend.php(55): Zend_Cac in /var/www/vhosts/gunda-automation.de/httpdocs/vendor/colinmollenhour/credis/Client.php on line 496