Quote Originally Posted by SamT View Post
Hunh?!?! Where? What are you doing when it happens?

The only "Stacking" in there is Worksheet_Change(ByVal Target As Range)
Hm, nothing really, I put value in A1 and nothing happen in B1 and when I put value in B1 and delete it again I got error. Does it work for you? Could you attach sample file, Im newbie in VBA so maybe Im doing some silly mistake