Hey, this is my first error thread ever :3
Anyways, I was rigging a model, and everything went along smoothly, until I tried to get it in Sapien, which abruptly closed when I tried to put the biped in the map. Checked the debug, and got this:

08.12.10 05:32:53  EAX: 0x00000001
08.12.10 05:32:53  EBX: 0x00000001
08.12.10 05:32:53  ECX: 0x00000000
08.12.10 05:32:53  EDX: 0x00000000
08.12.10 05:32:53  EDI: 0x0018EFC8
08.12.10 05:32:53  ESI: 0x00000000
08.12.10 05:32:53  EBP: 0x0018EEA0
08.12.10 05:32:53  ESP: 0x0018EE90
08.12.10 05:32:53  EIP: 0x77750BD2, 83 C4 04 C2 ?????
08.12.10 05:32:53  EXCEPTION halt in \halopc\haloce\source\models\models.c,#872: object_marker->node_index>=0 && object_marker->node_indexnodes.count)

derp?