Here, got it from mission 6 again:
Starting program: /home/marco/Diaspora/fs2_open_diaspora_debug
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Future debug output directed to: /home/marco/.fs2_open/data/fs2_open.log
[New Thread 0x7ffff7dd6700 (LWP 12760)]
[Thread 0x7ffff7dd6700 (LWP 12760) exited]
[New Thread 0x7ffff7dd6700 (LWP 12761)]
[New Thread 0x7ffff35d4700 (LWP 12762)]
[Thread 0x7ffff35d4700 (LWP 12762) exited]
[Thread 0x7ffff7dd6700 (LWP 12761) exited]
[New Thread 0x7ffff7dd6700 (LWP 12763)]
[Thread 0x7ffff7dd6700 (LWP 12763) exited]
[New Thread 0x7ffff7dd6700 (LWP 12764)]
[New Thread 0x7ffff35d4700 (LWP 12765)]
[Thread 0x7ffff35d4700 (LWP 12765) exited]
[Thread 0x7ffff7dd6700 (LWP 12764) exited]
[New Thread 0x7ffff7dd6700 (LWP 12766)]
[Thread 0x7ffff7dd6700 (LWP 12766) exited]
[New Thread 0x7ffff7dd6700 (LWP 12767)]
[Thread 0x7ffff7dd6700 (LWP 12767) exited]
[New Thread 0x7ffff7dd6700 (LWP 12768)]
[Thread 0x7ffff7dd6700 (LWP 12768) exited]
[New Thread 0x7ffff7dd6700 (LWP 12769)]
[New Thread 0x7ffff35d4700 (LWP 12770)]
[New Thread 0x7ffff2dd3700 (LWP 12771)]
WARNING: "Mission: Demise has a 1024x768 loading screen but no 640x480 loading screen!" at mission/missionparse.cpp:701
WARNING: "Mission: Demise has a 1024x768 loading screen but no 640x480 loading screen!" at mission/missionparse.cpp:701
WARNING: "Mission: Demise has a 1024x768 loading screen but no 640x480 loading screen!" at mission/missionparse.cpp:701
WARNING: "Mission: Demise has a 1024x768 loading screen but no 640x480 loading screen!" at mission/missionparse.cpp:701
ASSERTION FAILED: "team != -1" at object/object.cpp:1841
[Thread 0x7ffff2dd3700 (LWP 12771) exited]
Program received signal SIGABRT, Aborted.
0x000000397e835ba5 in __GI_raise (sig=sig@entry=6)
at ../nptl/sysdeps/unix/sysv/linux/raise.c:63
63 return INLINE_SYSCALL (tgkill, 3, pid, selftid, sig);
Backtrace:
#0 0x000000397e835ba5 in __GI_raise (sig=sig@entry=6)
at ../nptl/sysdeps/unix/sysv/linux/raise.c:63
#1 0x000000397e837358 in __GI_abort () at abort.c:90
#2 0x000000000082ff59 in WinAssert (text=0x8fe4aa "team != -1",
filename=0x8fdcdb "object/object.cpp", line=1841)
at windows_stub/stubs.cpp:103
#3 0x00000000006dab80 in obj_team (objp=0x122dca0 <Objects+743648>)
at object/object.cpp:1841
#4 0x000000000043679d in num_ships_attacking (target_objnum=1367)
at ai/aicode.cpp:9159
#5 0x0000000000437055 in guard_object_was_hit (
guard_objp=0x1178e60 <Objects+2720>,
hitter_objp=0x125c020 <Objects+932960>) at ai/aicode.cpp:9372
#6 0x0000000000437218 in maybe_update_guard_object (
hit_objp=0x1180780 <Objects+33728>, hitter_objp=0x125c020 <Objects+932960>)
at ai/aicode.cpp:9410
#7 0x0000000000446898 in ai_ship_hit (objp_ship=0x1180780 <Objects+33728>,
hit_objp=0x13145a0 <Objects+1688032>, hitpos=0x7fffffffd6ec,
shield_quadrant=-1, hit_normal=0x0) at ai/aicode.cpp:14721
#8 0x00000000007c8da4 in ship_apply_local_damage (
ship_obj=0x1180780 <Objects+33728>, other_obj=0x13145a0 <Objects+1688032>,
hitpos=0x7fffffffd6ec, damage=20, quadrant=-1, create_spark=true,
submodel_num=195, hit_normal=0x0) at ship/shiphit.cpp:2391
---Type <return> to continue, or q <return> to quit---
#9 0x000000000084b303 in ship_weapon_do_hit_stuff (
ship_obj=0x1180780 <Objects+33728>,
weapon_obj=0x13145a0 <Objects+1688032>, world_hitpos=0x7fffffffd6ec,
hitpos=0x7fffffffd6e0, quadrant_num=-1, submodel_num=195, hit_dir=...)
at object/collideshipweapon.cpp:94
#10 0x000000000084bc65 in ship_weapon_check_collision (
ship_objp=0x1180780 <Objects+33728>,
weapon_objp=0x13145a0 <Objects+1688032>, time_limit=0.594009399,
next_hit=0x7fffffffda1c) at object/collideshipweapon.cpp:292
#11 0x000000000084c41c in check_inside_radius_for_big_ships (
ship=0x1180780 <Objects+33728>, weapon=0x13145a0 <Objects+1688032>,
pair=0x7fffffffdac0) at object/collideshipweapon.cpp:442
#12 0x000000000084c086 in collide_ship_weapon (pair=0x7fffffffdac0)
at object/collideshipweapon.cpp:360
#13 0x00000000006d3860 in obj_collide_pair (A=0x1180780 <Objects+33728>,
B=0x13145a0 <Objects+1688032>) at object/objcollide.cpp:1626
#14 0x00000000006d25b4 in obj_find_overlap_colliders (
overlap_list_out=0x7fffffffdc20, list=0x7fffffffdc00, axis=2, collide=true)
at object/objcollide.cpp:1246
#15 0x00000000006d237f in obj_sort_and_collide () at object/objcollide.cpp:1211
#16 0x00000000006da27e in obj_move_all (frametime=0.0260009766)
at object/object.cpp:1492
#17 0x00000000004126e7 in game_simulation_frame ()
---Type <return> to continue, or q <return> to quit---
at freespace2/freespace.cpp:3995
#18 0x000000000041321b in game_frame (paused=0)
at freespace2/freespace.cpp:4401
#19 0x0000000000413e6e in game_do_frame () at freespace2/freespace.cpp:4816
#20 0x00000000004160c7 in game_do_state (state=2)
at freespace2/freespace.cpp:6504
#21 0x00000000004b8824 in gameseq_process_events ()
at gamesequence/gamesequence.cpp:407
#22 0x0000000000416e1b in game_main (cmdline=0x24d8350 "")
at freespace2/freespace.cpp:7080
#23 0x0000000000416fd6 in main (argc=1, argv=0x7fffffffe038)
at freespace2/freespace.cpp:7214