Changing gid (475 -> www) not permitted

[N]

The following init.sls state fails on OpenSUSE 15_0.

ID: apache
    Function: user.present
        Name: wwwrun
      Result: False
     Comment: Encountered error checking for needed changes. Additional info follows:

              - Changing gid (475 -> www) not permitted, set allow_gid_change to True to force this change. Note that this will not change file ownership.
     Started: 19:13:03.605466
    Duration: 1.535 ms
     Changes:

# grep 475 /etc/group
wwwrun:!:475: