* frame #0: 0x0000000100182388 exult`Object_client::object_gone(this=0x000000011226e5e0, obj=0x0000000111aed2c0) at objclient.cc:62 [opt]
    frame #1: 0x0000000100184ed3 exult`Game_object::remove_clients(this=0x0000000111aed2c0) at objs.cc:1109 [opt]
    frame #2: 0x00000001001805aa exult`Ireg_game_object::remove_this(this=0x0000000111aed2c0, nodel=0) at iregobjs.cc:93 [opt]
    frame #3: 0x000000010007ed90 exult`Bake_schedule::now_what(this=0x0000000111df75b0) at schedule.cc:4571 [opt]
    frame #4: 0x0000000100089b99 exult`Time_queue::activate0(this=0x0000000100a09860, curtime=5719051) at tqueue.cc:198 [opt]
    frame #5: 0x000000010003bb11 exult`Handle_events() at exult.cc:1339 [opt]
    frame #6: 0x000000010003b18f exult`Play() at exult.cc:1130 [opt]
    frame #7: 0x00000001000377bd exult`exult_main(runpath=<unavailable>) at exult.cc:781 [opt]
    frame #8: 0x00000001000364b4 exult`main(argc=<unavailable>, argv=0x00007ffeefbff7d8) at exult.cc:432 [opt]
    frame #9: 0x0000000100001734 exult`start + 52