This error is encountered in the redis interface

127.0.0.1:6379> select 0
(error) NOAUTH Authentication required.

This error is caused by lack of authorization. You can enter a password to solve it at this time.

127.0.0.1:6379> auth "your Password"

Or specify a password when accessing the ‘redis’ client

redis-cli -h 127.0.0.1 -p 6379 -a "your Password"