New Objects 3d max 8

hey guys, i hope someone help me with this problem..

i tried to create new object using 3d max 8

and whenever i try to add it to a map using Opl editor 3d it gives me this error :

list indes out of bouds (-1).

i export the object as .gb

i also render it to png and convert it to dds then to gtx

could some1 tells the right steps to do so??!! please!