Indeed, something is very wrong with your setup for a reversal like that.
The spot your filling with group is the access tags spot and are NOT where specifying the groups 'allowed' to run the command are held.
From console, see "ulx usermanagementhelp", "ulx help" or our FAQ for all commands as superadmin (which console access holds) -
/index.php/topic,3254.0.htmlSomething is broken on your server.