Error Message:

You must type a valid Group Name for the local group.

Explanation:

In the New Group dialog box, you have specified a group name that exceeds the limit of 20 characters, have left the option blank, or have included invalid characters. The following are invalid characters for a group name: ( ; : " <> * + = \\ | ? , ).

User Action:

Select OK to return to the User Manager window, then specify a valid group name.