[BUG] Signature not removable by admin

When I try, as an admin, to remove completely the signature of a member, I get the following error message as a java.script alert : "You can not post an empty text"...
Just posting a [ nbsp ] is fine, though...
Does anyone have this problem, too?
sanji
[edit] This was confirmed on a freshly installed forum, too
Just posting a [ nbsp ] is fine, though...
Does anyone have this problem, too?
sanji
[edit] This was confirmed on a freshly installed forum, too