01.01.13 22:21:21 sapien pc 01.00.00.0609 ----------------------------------------------
01.01.13 22:21:21 reference function: _write_to_error_file
01.01.13 22:21:21 reference address: 401b13
01.01.13 22:21:21 Couldn't read map file './sapienbeta.map'
01.01.13 22:21:22 CreateDevice succeeded with refresh rate = 0
01.01.13 22:21:23 DirectInput: 'Acquire (keyboard)' returned (DIERR_OTHERAPPHASPRIO#-2147024891)
01.01.13 22:21:24 Increasing sound decompression buffer size to 1048576 bytes
01.01.13 22:21:28 WARNING: 1 clusters in structure_bsp levels\test\foundry\foundreh have no background sound or sound environment.
01.01.13 22:21:31 local player 0, weapon (0x0), deleted unexpectedly
01.01.13 22:21:37 EAX: 0xFFFFFFFE
01.01.13 22:21:37 EBX: 0x00000001
01.01.13 22:21:37 ECX: 0x0012E810
01.01.13 22:21:37 EDX: 0x000002CC
01.01.13 22:21:37 EDI: 0x0012E810
01.01.13 22:21:37 ESI: 0x00000000
01.01.13 22:21:37 EBP: 0x0012E6E8
01.01.13 22:21:37 ESP: 0x0012E6D8
01.01.13 22:21:37 EIP: 0x7C90E514, C3 8D A4 24 ?????
01.01.13 22:21:37 EXCEPTION halt in \halopc\haloce\source\tag_files\tag_groups.c,#3157: #0 is not a valid shader_transparent_chicago_map_block index in [#0,#0)


01.01.13 22:21:57 kornman00 02.00.00.0609
01.01.13 22:21:57 reference function: _write_to_error_file_zomg_h4xmb
01.01.13 22:21:57 reference address: 4011a4
01.01.13 22:21:57 Couldn't read map file './kornman00beta.map'

I'm assuming that sapien closes when I look at a certain spot in foundry because a shader is messed up somehow. It happens to my newly compiled model, but not to an older build that uses the same shaders.

Actually sir the above^^
means you have a shader tag that is NULL,what I mean by that is this only happens usually to transparent shader types,your tag has the map slots nulled out,the game is looking for info from the tag but the tag is incomplete.

Look under your shader_transparent_(types) usually when you recompile a bsp tool makes the shaders but you have to add the block info in the tag,all you have to do is find the tag,go to the block types and hit add,you dont even need to link a texture just need to have a non null block in the shader tag.