In order to add a user to a group, he user must be registered on APAN.
Specific to this process, in order to add a user to a group, the user must be registered on APAN.
Remove all group members
If your group type changes to Joinless, all users who are members, will be removed.
Joinless communities work best for website type communities where group members are not required. Joinless communities still must be managed by owners.
Only owners can upload content to Joinless communities.