Change Polyline type

I'm running XML with XP Pro. Recently I installed a cogoutil file sent to
me by Barkley. Don't know if that has anything to do with my problem, but
now when I try to change polyline type, say to a fenceline, I get an invalid
command message. Any ideas?
me by Barkley. Don't know if that has anything to do with my problem, but
now when I try to change polyline type, say to a fenceline, I get an invalid
command message. Any ideas?