root@272c02832f2c:~/conjur/tutorials/secrets# conjur policy load --as-group security_admin --namespace $NAMESPACE policy.yml
error: Unknown option --as-group
NAME
load - Load a policy
SYNOPSIS
conjur [global options] policy load [command options] POLICY FILENAME
COMMAND OPTIONS
--[no-]delete - Allow explicit deletion statements in the policy.
--[no-]replace - Fully replace the existing policy, deleting any data that
is not declared in the new policy.
root@272c02832f2c:~/conjur/tutorials/secrets#
我该如何解决错误?任何人都可以在这个问题上帮助我。