Fatal error: Uncaught yii\db\Exception: Redis error: MISCONF Redis is configured to save RDB snapshots, but is currently not able to persist on disk. Commands that may modify the data set are disabled. Please check Redis logs for details about the error. Redis command was: SET aca33e893058610b47c875c99f5a950251cfa __flash|a:0:{} EX 31536000 in /var/www/fpxuser/data/www/project/vendor/yiisoft/yii2-redis/src/Connection.php:794 Stack trace: #0 /var/www/fpxuser/data/www/project/vendor/yiisoft/yii2-redis/src/Connection.php(762): yii\redis\Connection->parseResponse(Array, '*5\r\n$3\r\nSET\r\n$3...') #1 /var/www/fpxuser/data/www/project/vendor/yiisoft/yii2-redis/src/Connection.php(745): yii\redis\Connection->sendCommandInternal('*5\r\n$3\r\nSET\r\n$3...', Array) #2 /var/www/fpxuser/data/www/project/vendor/yiisoft/yii2-redis/src/Session.php(131): yii\redis\Connection->executeCommand('SET', Array) #3 [internal function]: yii\redis\Session->writeSession('dd2a3b19cd87d43...', '__flash|a:0:{}') #4 /var/www/fpxuser/data/www/project/ve in /var/www/fpxuser/data/www/project/vendor/yiisoft/yii2-redis/src/Connection.php on line 794