#0  0x0000000000e2d3e0 in BLI_findstringindex (listbase=listbase@entry=0x36a2b88, id=id@entry=0x0, offset=offset@entry=16)
    at /home/alex/Documents/projects/blender/blender/blender/source/blender/blenlib/intern/listbase.c:489
#1  0x0000000000cca9e1 in defgroup_name_index (ob=ob@entry=0x36a29e8, name=name@entry=0x0) at /home/alex/Documents/projects/blender/blender/blender/source/blender/blenkernel/intern/deform.c:346
#2  0x0000000000c8fff4 in armature_deform_verts (armOb=0x36a19c8, target=0x36a29e8, dm=0x0, vertexCos=0x419e100, defMats=0x0, numVerts=8, deformflag=1, prevCos=0x0, defgrp_name=0x0)
    at /home/alex/Documents/projects/blender/blender/blender/source/blender/blenkernel/intern/armature.c:876
#3  0x0000000000f99ae9 in BL_SkinDeformer::BlenderDeformVerts (this=this@entry=0x3de22e0) at /home/alex/Documents/projects/blender/blender/blender/source/gameengine/Converter/BL_SkinDeformer.cpp:223
#4  0x0000000000f9a671 in BL_SkinDeformer::UpdateInternal (this=0x3de22e0, shape_applied=<optimised out>)
    at /home/alex/Documents/projects/blender/blender/blender/source/gameengine/Converter/BL_SkinDeformer.cpp:352
#5  0x0000000000f993e7 in BL_SkinDeformer::Apply (this=0x3de22e0, mat=<optimised out>) at /home/alex/Documents/projects/blender/blender/blender/source/gameengine/Converter/BL_SkinDeformer.cpp:161
#6  0x0000000000f91cf2 in BL_CreateGraphicObjectNew (physics_engine=UseBullet, isActive=true, kxscene=0x2b140f0, localAabbMax=..., localAabbMin=..., gameobj=0x3de35b0)
    at /home/alex/Documents/projects/blender/blender/blender/source/gameengine/Converter/BL_BlenderDataConversion.cpp:1547
#7  BL_ConvertBlenderObjects (maggie=0x36675d8, kxscene=0x2b140f0, ketsjiEngine=0x42c5e40, physics_engine=UseBullet, rendertools=0x2b15430, canvas=0x416d480, converter=0x2b12ef0, 
    alwaysUseExpandFraming=true, libloading=false) at /home/alex/Documents/projects/blender/blender/blender/source/gameengine/Converter/BL_BlenderDataConversion.cpp:2679
#8  0x0000000000f9b7c2 in KX_BlenderSceneConverter::ConvertScene (this=0x2b12ef0, destinationscene=<optimised out>, rendertools=0x2b15430, canvas=<optimised out>, libloading=<optimised out>)
    at /home/alex/Documents/projects/blender/blender/blender/source/gameengine/Converter/KX_BlenderSceneConverter.cpp:388
#9  0x0000000000f87647 in StartKetsjiShell (C=C@entry=0x255fcb8, ar=ar@entry=0x36856b8, cam_frame=cam_frame@entry=0x7fffffffdbf0, always_use_expand_framing=always_use_expand_framing@entry=1)
    at /home/alex/Documents/projects/blender/blender/blender/source/gameengine/BlenderRoutines/BL_KetsjiEmbedStart.cpp:512
#10 0x00000000008e5ac0 in game_engine_exec (C=0x255fcb8, op=<optimised out>) at /home/alex/Documents/projects/blender/blender/blender/source/blender/editors/space_view3d/view3d_view.c:1443
#11 0x000000000082b15b in wm_operator_invoke (C=C@entry=0x255fcb8, ot=0x2976dd8, event=event@entry=0x42ccb68, properties=properties@entry=0x40f7bb8, reports=reports@entry=0x0, poll_only=poll_only@entry=0)
    at /home/alex/Documents/projects/blender/blender/blender/source/blender/windowmanager/intern/wm_event_system.c:879
#12 0x000000000082c1be in wm_handler_operator_call (C=C@entry=0x255fcb8, handlers=handlers@entry=0x36857e0, handler=handler@entry=0x4202758, event=event@entry=0x42ccb68, properties=0x40f7bb8)
    at /home/alex/Documents/projects/blender/blender/blender/source/blender/windowmanager/intern/wm_event_system.c:1441
#13 0x000000000082c4ad in wm_handlers_do_intern (C=C@entry=0x255fcb8, event=event@entry=0x42ccb68, handlers=handlers@entry=0x36857e0)
    at /home/alex/Documents/projects/blender/blender/blender/source/blender/windowmanager/intern/wm_event_system.c:1709
#14 0x000000000082cba6 in wm_handlers_do (C=C@entry=0x255fcb8, event=event@entry=0x42ccb68, handlers=handlers@entry=0x36857e0)
    at /home/alex/Documents/projects/blender/blender/blender/source/blender/windowmanager/intern/wm_event_system.c:1816
#15 0x000000000082d03b in wm_event_do_handlers (C=C@entry=0x255fcb8) at /home/alex/Documents/projects/blender/blender/blender/source/blender/windowmanager/intern/wm_event_system.c:2109
#16 0x0000000000826328 in WM_main (C=C@entry=0x255fcb8) at /home/alex/Documents/projects/blender/blender/blender/source/blender/windowmanager/intern/wm.c:422
#17 0x000000000081ab1c in main (argc=1, argv=0x7fffffffe0c8) at /home/alex/Documents/projects/blender/blender/blender/source/creator/creator.c:1405