Fatal error: Uncaught RedisException: read error on connection to /tmp/redis.sock:0 in /htdocs_20191120/vendor/colinmollenhour/credis/Client.php:1139 Stack trace: #0 /htdocs_20191120/vendor/colinmollenhour/credis/Client.php(1139): Redis->select(1) #1 /htdocs_20191120/vendor/colinmollenhour/credis/Client.php(637): Credis_Client->__call('select', Array) #2 /htdocs_20191120/vendor/colinmollenhour/cache-backend-redis/Cm/Cache/Backend/Redis.php(393): Credis_Client->select(1) #3 /htdocs_20191120/vendor/colinmollenhour/cache-backend-redis/Cm/Cache/Backend/Redis.php(250): Cm_Cache_Backend_Redis->_applyClientOptions(Object(Credis_Client)) #4 /htdocs_20191120/vendor/magento/zendframework1/library/Zend/Cache.php(153): Cm_Cache_Backend_Redis->__construct(Array) #5 /htdocs_20191120/vendor/magento/zendframework1/library/Zend/Cache.php(94): Zend_Cache::_makeBackend('Cm_Cache_Backen...', Array, true, true) #6 /htdocs_20191120/vendor/magento/framework/App/Cache/Frontend/Factory.php(156): Zend_Cache::factory('Magento\\Framewo...', 'Cm_Cach in /htdocs_20191120/vendor/colinmollenhour/credis/Client.php on line 1157