Not sure if it possible to reproduce since no save in missions.
this is what I have from console
./ufo[0x814a5ac]
./ufo(Qcommon_Frame+0x7b)[0x814aa10]
./ufo(main+0x5c)[0x81a8a8b]
/lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe6)[0x6b0bd6]
./ufo[0x806ce71]
./ufo(Sys_Backtrace+0x1f)[0x81a9f4b]
./ufo(Sys_Error+0x22)[0x81a8e55]
./ufo(Sys_InitSignals+0x0)[0x81a9fc9]
[0xfa5400]
/lib/tls/i686/cmov/libc.so.6(abort+0x182)[0x6c7a82]
/lib/tls/i686/cmov/libc.so.6(__assert_fail+0xf8)[0x6bd718]
./base/game.so(G_SendInventory+0xe5)[0x2884c93]
./base/game.so(+0x1ec41)[0x2886c41]
./base/game.so(G_MatchDoEnd+0x8c)[0x2886f87]
./base/game.so(G_RunFrame+0x141)[0x2886267]
./ufo(SV_RunGameFrame+0x10)[0x816a721]
./ufo(SV_Frame+0x5b)[0x816d1c3]
./ufo[0x814a5ac]
./ufo(Qcommon_Frame+0x7b)[0x814aa10]
./ufo(main+0x5c)[0x81a8a8b]
/lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe6)[0x6b0bd6]
./ufo[0x806ce71]
Error: Received signal 6.