IKE not spawning at Durlag's Tower (AR0500)

Hi All,

1) IKE character NOT spawning when entering Durlag's tower.

2) Ike should be spawning.

see NR 3 at map link.
http://gamebanshee.com/baldursgate/walkthroughbgee/images/durlagstowerperimeter.jpg

not sure if this is intentionally for BGEE? Anyone Else had this issue?