Start of change

6027-3333 [E] IAM-mode cannot be enabled for fileset on the file system name1 because the file system version is less than 5.1.1.0.

Explanation

IAM-mode cannot be enabled for fileset on the file system because the file system version is less than 5.1.1.0

User response

Minimum file system version 5.1.1.0 is required for the AFM IAM-mode to be enabled on fileset. Upgrade the file system version with the mmchfs command.
End of change