Tool error

[HDoan]

Im trying to make a map for halo but when I try to make the .scenario I get this error

08.09.07 01:12:11 tool pc 01.00.00.0609 ----------------------------------------------
08.09.07 01:12:11 reference function: _write_to_error_file
08.09.07 01:12:11 reference address: 42ca20
08.09.07 01:12:11 Couldn't read map file './toolbeta.map'
08.09.07 01:12:11 EAX: 0x00163820
08.09.07 01:12:11 EBX: 0x03343801
08.09.07 01:12:11 ECX: 0x00160D64
08.09.07 01:12:11 EDX: 0x00160D80
08.09.07 01:12:11 EDI: 0x0012F2D0
08.09.07 01:12:11 ESI: 0x00000000
08.09.07 01:12:11 EBP: 0x0012F1A8
08.09.07 01:12:11 ESP: 0x0012F198
08.09.07 01:12:11 EIP: 0x7C90EB94, C3 8D A4 24 ?????
08.09.07 01:12:11 EXCEPTION halt in .\intermediate_geometry.c,#444: triangle->material_index>=0 && triangle->material_index<old_material_count
and there is no .wrl in my halo ce root directory.
EDIT: Oh sorry wrong section

[OmegaDragon]

Make sure that all your triangles have a texture.

or

Make sure that your map is not too big/small.
Also one forum after were it was supposed to be.