Unknown command redis:flushall

[Keygen9]

Hello.

I've been upgrading my sncRedisBundle recently (3.5 -> 4.6), was working okay on all environments.
Runs fine on local now but when pushing to a test server hosted on kubernetes, build fails telling that redis:flushall & redis flushdb dont exist.
Command "redis:flushall" is not defined.

Is this issue known ? or not related with the bundle ?

Thx