"Make sure that you are logged in or contact an administrator in order to be granted permission to view this page (You are not a member of the, gwtoolset, group.)."
Administrators may or may not be able to grant that right.
Error is pretty vague. Should probably tell them what the problem is...
"(You are not a member of the, gwtoolset, group.)" -> "(You are not a member of the gwtoolset group.)"
Though, that's still not always right.
Almost looks like the wheel has been re-invented on Special:GWToolset