[INFO]: Reseting world on phase change...
colobot: ../../../../src/mesa/vbo/vbo_save_api.c:226: free_vertex_store: Warunek zapewnienia `!vertex_store->buffer' nie został spełniony.

Program received signal SIGABRT, Aborted.
0x00007ffff4e3a267 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:55
55	../sysdeps/unix/sysv/linux/raise.c: Nie ma takiego pliku ani katalogu.
(gdb) bt
#0  0x00007ffff4e3a267 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:55
#1  0x00007ffff4e3beca in __GI_abort () at abort.c:89
#2  0x00007ffff4e3303d in __assert_fail_base (fmt=0x7ffff7e8e11d "%s%s%s:%u: %s%sWarunek zapewnienia `%s' nie został spełniony.\n%n", assertion=assertion@entry=0x7fffe4ca6f62 "!vertex_store->buffer",
    file=file@entry=0x7fffe4ca6c98 "../../../../src/mesa/vbo/vbo_save_api.c", line=line@entry=226, function=function@entry=0x7fffe4ca7820 "free_vertex_store") at assert.c:92
#3  0x00007ffff4e330f2 in __GI___assert_fail (assertion=0x7fffe4ca6f62 "!vertex_store->buffer", file=0x7fffe4ca6c98 "../../../../src/mesa/vbo/vbo_save_api.c", line=226,
    function=0x7fffe4ca7820 "free_vertex_store") at assert.c:101
#4  0x00007fffe49aae78 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fffe4899e7d in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#6  0x00007fffe489a017 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#7  0x00007fffe48aaa82 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#8  0x00000000008813c5 in Gfx::CGLDevice::DestroyStaticBuffer (this=0x32ab450, bufferId=186692) at /home/krzys_h/Pulpit/colobot/src/graphics/opengl/gldevice.cpp:1624
#9  0x00000000006c849a in Gfx::CEngine::DeleteBaseObject (this=0x44ad440, baseObjRank=224) at /home/krzys_h/Pulpit/colobot/src/graphics/engine/engine.cpp:657
#10 0x0000000000727b69 in Gfx::CTerrain::FlushRelief (this=0x4a10a80) at /home/krzys_h/Pulpit/colobot/src/graphics/engine/terrain.cpp:276
#11 0x000000000078624e in CRobotMain::ChangePhase (this=0x4a0c950, phase=PHASE_LEVEL_LIST) at /home/krzys_h/Pulpit/colobot/src/object/robotmain.cpp:467
#12 0x00000000008130f4 in Ui::CMainDialog::EventProcess (this=0x4a16c70, event=...) at /home/krzys_h/Pulpit/colobot/src/ui/maindialog.cpp:315
#13 0x0000000000698952 in CController::ProcessEvent (this=0x32cc520, event=...) at /home/krzys_h/Pulpit/colobot/src/app/controller.cpp:74
#14 0x000000000068e319 in CApplication::Run (this=0xcae7a0) at /home/krzys_h/Pulpit/colobot/src/app/app.cpp:986
#15 0x0000000000689953 in main (argc=1, argv=0x7fffffffe3d8) at /home/krzys_h/Pulpit/colobot/src/app/main.cpp:151
(gdb)