hey,
got this when I made changes to bsp:

06.23.09 21:39:40  sapien pc 01.00.00.0609 ----------------------------------------------
06.23.09 21:39:40  reference function: _write_to_error_file
06.23.09 21:39:40  reference address: 401b13
06.23.09 21:39:40  Couldn't read map file './sapienbeta.map'
06.23.09 21:39:41  CreateDevice succeeded with refresh rate = 0
06.23.09 21:39:41  Sound card doesn't meet minimum hardware requirements.  Disabling hardware option.
06.23.09 21:39:44  EAX: 0x00000000
06.23.09 21:39:44  EBX: 0x00BD4E01
06.23.09 21:39:44  ECX: 0x00000000
06.23.09 21:39:44  EDX: 0x00000000
06.23.09 21:39:44  EDI: 0x0017F190
06.23.09 21:39:44  ESI: 0x00000000
06.23.09 21:39:44  EBP: 0x0017F068
06.23.09 21:39:44  ESP: 0x0017F05C
06.23.09 21:39:44  EIP: 0x77291626, C2 08 00 8D ?????
06.23.09 21:39:44  EXCEPTION halt in .\editor_persist.cpp,#392: pos+buffer_size<=size

Any one know what's up?
I Just added a hallway, some stairs and a room (all with appropriate portals)