Program received signal SIGSEGV, Segmentation fault.
0x00959ce6 in defvert_find_index (dvert=0xc, defgroup=0)
    at source\blender\blenkernel\intern\deform.c:560
560                     MDeformWeight *dw = dvert->dw;

#0  0x00959ce6 in defvert_find_index (dvert=0xc, defgroup=0)
    at source\blender\blenkernel\intern\deform.c:560
#1  0x0061c296 in applyModifier (md=0xab323e0, ob=0xa78c5b0,
    derivedData=0xab21400, UNUSED_useRenderParams=0, UNUSED_isFinalCalc=1)
    at source\blender\modifiers\intern\MOD_weightvgproximity.c:388
#2  0x0093eae6 in mesh_calc_modifiers (scene=0xa78a710, ob=0xa78c5b0,
    inputVertexCos=0x0, deform_r=0xa78c9f4, final_r=0xa78c9f8,
    useRenderParams=0, useDeform=1, needMapping=0, dataMask=25, index=-1,
    useCache=1) at source\blender\blenkernel\intern\DerivedMesh.c:1039
#3  0x0093fb6a in mesh_build_data (scene=0xa78a710, ob=0xa78c5b0, dataMask=25)
    at source\blender\blenkernel\intern\DerivedMesh.c:1421
#4  0x0093fd47 in makeDerivedMesh (scene=0xa78a710, ob=0xa78c5b0, em=0x0,
    dataMask=25) at source\blender\blenkernel\intern\DerivedMesh.c:1462
#5  0x008d361a in object_handle_update (scene=0xa78a710, ob=0xa78c5b0)
    at source\blender\blenkernel\intern\object.c:2530
#6  0x008a871e in scene_update_tagged_recursive (bmain=0xa771888,
    scene=0xa78a710, scene_parent=0xa78a710)
    at source\blender\blenkernel\intern\scene.c:982
#7  0x008a87ea in scene_update_tagged (bmain=0xa771888, scene=0xa78a710)
    at source\blender\blenkernel\intern\scene.c:1014
#8  0x0040a559 in wm_event_do_notifiers (C=0x7aa6a48)
    at source\blender\windowmanager\intern\wm_event_system.c:311
#9  0x00406768 in WM_main (C=0x7aa6a48)
    at source\blender\windowmanager\intern\wm.c:369
#10 0x00403754 in main ()