Fatal error: Uncaught RedisException: Connection lost in /var/www/vhosts/gunda-automation.de/httpdocs/vendor/colinmollenhour/credis/Client.php:1171 Stack trace: #0 /var/www/vhosts/gunda-automation.de/httpdocs/vendor/colinmollenhour/credis/Client.php(1171): Redis->hGet() #1 /var/www/vhosts/gunda-automation.de/httpdocs/vendor/colinmollenhour/cache-backend-redis/Cm/Cache/Backend/Redis.php(485): Credis_Client->__call() #2 /var/www/vhosts/gunda-automation.de/httpdocs/vendor/magento/framework/Cache/Backend/Redis.php(61): Cm_Cache_Backend_Redis->load() #3 /var/www/vhosts/gunda-automation.de/httpdocs/vendor/magento/zendframework1/library/Zend/Cache/Core.php(306): Magento\Framework\Cache\Backend\Redis->load() #4 /var/www/vhosts/gunda-automation.de/httpdocs/vendor/magento/framework/Cache/Frontend/Adapter/Zend.php(55): Zend_Cache_Core->load() #5 /var/www/vhosts/gunda-automation.de/httpdocs/vendor/magento/framework/Cache/Frontend/Decorator/Bare.php(65): Magento\Framework\Cache\Frontend\Adapter\Zend->load() #6 /var/www/vhosts/gunda-au in /var/www/vhosts/gunda-automation.de/httpdocs/vendor/colinmollenhour/credis/Client.php on line 1189

Fatal error: Uncaught Exception: Warning: session_write_close(): Failed to write session data using user defined save handler. (session.save_path: /var/lib/php/sessions) in /var/www/vhosts/gunda-automation.de/httpdocs/vendor/magento/framework/Session/SessionManager.php on line 151 in /var/www/vhosts/gunda-automation.de/httpdocs/vendor/magento/framework/App/ErrorHandler.php:61 Stack trace: #0 [internal function]: Magento\Framework\App\ErrorHandler->handler() #1 /var/www/vhosts/gunda-automation.de/httpdocs/vendor/magento/framework/Session/SessionManager.php(151): session_write_close() #2 [internal function]: Magento\Framework\Session\SessionManager->writeClose() #3 {main} thrown in /var/www/vhosts/gunda-automation.de/httpdocs/vendor/magento/framework/App/ErrorHandler.php on line 61