07.02.10 16:23:29 sapien pc 01.00.00.0609 ----------------------------------------------
07.02.10 16:23:29 reference function: _write_to_error_file
07.02.10 16:23:29 reference address: 401b13
07.02.10 16:23:29 Couldn't read map file './sapienbeta.map'
07.02.10 16:23:29 CreateDevice succeeded with refresh rate = 0
07.02.10 16:23:29 Sound card doesn't meet minimum hardware requirements. Disabling hardware option.
07.02.10 16:23:30 Increasing sound decompression buffer size to 1048576 bytes
07.02.10 16:23:34 WARNING: 1 clusters in structure_bsp levels\longshaft\longshaft have no background sound or sound environment.
07.02.10 16:23:34 local player 0, weapon (0x0), deleted unexpectedly
07.02.10 16:23:51 EAX: 0x03AB7800
07.02.10 16:23:51 EBX: 0x00000001
07.02.10 16:23:51 ECX: 0x03B29D08
07.02.10 16:23:51 EDX: 0x0029A1B8
07.02.10 16:23:51 EDI: 0x0012E7F0
07.02.10 16:23:51 ESI: 0x00000000
07.02.10 16:23:51 EBP: 0x0012E6C8
07.02.10 16:23:51 ESP: 0x0012E6B8
07.02.10 16:23:51 EIP: 0x776A0F34, C3 8D A4 24 ?????
07.02.10 16:23:51 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)

How would i come to fix this,the maps loads up im in sapien and it working for a couple minutes than i get the exception for this not a valid shader stuff.