This error just came up while trying to compile my new model:
07.01.08 07:43:11 EAX: 0xFFFFFFFE
07.01.08 07:43:11 EBX: 0x015D6101
07.01.08 07:43:11 ECX: 0x0012F128
07.01.08 07:43:11 EDX: 0x000002CC
07.01.08 07:43:11 EDI: 0x0012F128
07.01.08 07:43:11 ESI: 0x00000000
07.01.08 07:43:11 EBP: 0x0012F000
07.01.08 07:43:11 ESP: 0x0012EFF0
07.01.08 07:43:11 EIP: 0x77BB9A94, C3 8D A4 24 ?????
07.01.08 07:43:11 EXCEPTION halt in .\intermediate_geometry.c,#444: triangle->material_index>=0 && triangle->material_index<old_material_count
i really have no idea how to fix this