ohh yea I forgot about that command... it has been a while since really used dbpro. The problem is now when ever I try to save the mesh, it reports an error:
runtime error 7029-3D memory error at line 17
and here is the code:
Rem Project: just for terrain
Rem Created: Saturday, November 03, 2012
Rem ***** Main Source File *****
sync on
sync rate 70
flush video memory
make object terrain 1
set terrain heightmap 1,"ground_height.png"
set terrain scale 1,100,100,100
build terrain 1
sync
make mesh from object 1,1
save mesh "object.x",1
sync
again thanks everyone
sov the game creator!