maybe it's a local issue. i just meet this:
==== InitGame ====
********************
ERROR: Could not find tile: '+craft_crash_harvester' in assembly 'small' (maps/farm.ump)
********************
Shutdown server: Server crashed.
==== ShutdownGame ====
./ufo(Sys_Backtrace+0x1f)[0x81aa753]
./ufo(Com_Error+0xf6)[0x8149401]
./ufo[0x816ef13]
./ufo(SV_AssembleMap+0x2f3)[0x8170adf]
./ufo[0x816b64f]
./ufo(SV_Map+0x47)[0x816bba8]
./ufo[0x8169993]
./ufo(Cmd_ExecuteString+0xcb)[0x813e1d1]
./ufo(Cbuf_Execute+0x162)[0x813ce4a]
./ufo[0x807c404]
./ufo(CL_Frame+0xe2)[0x807c6c3]
./ufo[0x814ad70]
./ufo(Qcommon_Frame+0x7b)[0x814b1d4]
./ufo(main+0x5c)[0x81a9293]
/lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe6)[0x366bd6]
./ufo[0x806d031]
music change to van_geoscape (from ufo2)
what can i check ? is that a missing file or corrupt file? i'm playing on the trunk, svn info display rev 30446 (trunk) and executable says 30394 don't know why...