Logic AI crash...

Core crash for unknown reason

Got this while playing.
[code]
terminate called after throwing an instance of 'std::logic_error'
what(): invalid node overlap

Program received signal SIGABRT, Aborted.
[Switching to Thread 0xb20f3b70 (LWP 2972)]
0xb7fe1424 in __kernel_vsyscall ()
#0 0xb7fe1424 in __kernel_vsyscall ()
#1 0xb7697681 in raise () from /lib/i386-linux-gnu/i686/cmov/libc.so.6
#2 0xb769aab2 in abort () from /lib/i386-linux-gnu/i686/cmov/libc.so.6
#3 0xb787e28d in __gnu_cxx::__verbose_terminate_handler() ()
from /usr/lib/i386-linux-gnu/libstdc++.so.6
#4 0xb787bef3 in ?? () from /usr/lib/i386-linux-gnu/libstdc++.so.6
#5 0xb787bf2f in std::terminate() ()
from /usr/lib/i386-linux-gnu/libstdc++.so.6
#6 0xb787c1ce in __cxa_throw () from /usr/lib/i386-linux-gnu/libstdc++.so.6
#7 0x0892d4c3 in BIH::subdivide (this=0xd3393a0, left=43, right=79,
tempTree=..., dat=..., gridBox=..., nodeBox=..., nodeIndex=168, depth=3,
stats=...) at /home/---/zero/src/server/src/game/vmap/BIH.cpp:68
#8 0x0892dfc9 in BIH::subdivide (this=0xd3393a0, left=43, right=79,
tempTree=..., dat=..., gridBox=..., nodeBox=..., nodeIndex=6, depth=2,
stats=...) at /home/---/zero/src/server/src/game/vmap/BIH.cpp:248
#9 0x0892e047 in BIH::subdivide (this=0xd3393a0, left=0, right=42,
tempTree=..., dat=..., gridBox=..., nodeBox=..., nodeIndex=0, depth=1,
stats=...) at /home/---/zero/src/server/src/game/vmap/BIH.cpp:252
#10 0x0892d20d in BIH::buildHierarchy (this=0xd3393a0, tempTree=..., dat=...,
stats=...) at /home/---/zero/src/server/src/game/vmap/BIH.cpp:38
#11 0x08930be7 in BIH::build >(G3D::Array const&, void (&)(GameObjectModel const*, G3D::AABox&), unsigned int, bool) (
this=0xd3393a0, primitives=..., getBounds=
@0x892f0b9: {void (const GameObjectModel *, G3D::AABox &)} 0x892f0b9 ::getBounds2(GameObjectModel const*, G3D::AABox&)>,
leafSize=3, printStats=false)
at /home/---/zero/src/server/src/game/vmap/BIH.h:156
#12 0x0892fd0f in BIHWrap >::balance (this=0xd3393a0) at /home/---/zero/src/server/src/game/vmap/BIHWrap.h:147
#13 0x0892f4d7 in RegularGrid2D >, NodeCreator > >, PositionTrait >::balance (this=0xb2fdb40)
at /home/---/zero/src/server/src/game/vmap/RegularGrid.h:148
#14 0x0892f187 in DynTreeImpl::balance (this=0xb2fdb40)
at /home/---/zero/src/server/src/game/vmap/DynamicTree.cpp:86
#15 0x0892f20e in DynTreeImpl::update (this=0xb2fdb40, difftime=100)
at /home/---/zero/src/server/src/game/vmap/DynamicTree.cpp:100
#16 0x0892e984 in DynamicMapTree::update (this=0xb99f3b4, t_diff=100)
at /home/---/zero/src/server/src/game/vmap/DynamicTree.cpp:144
#17 0x0883cd04 in Map::Update (this=0xb97a218, t_diff=@0xb20f323c: 100)
at /home/---/zero/src/server/src/game/Map.cpp:460
#18 0x08852616 in MapManager::Update (this=0xb2f1130, diff=50)
at /home/---/zero/src/server/src/game/MapManager.cpp:184
#19 0x088e2a8d in World::Update (this=0x8cdb2b0, diff=50)
at /home/---/zero/src/server/src/game/World.cpp:1496
#20 0x0854dc0f in WorldRunnable::run (this=0xa4e4910)
at /home/---/zero/src/server/src/mangosd/WorldRunnable.cpp:66
#21 0x08972c39 in ACE_Based::Thread::ThreadTask (param=0xa4e4910)
at /home/---/zero/src/server/src/shared/Threading.cpp:197
#22 0xb7f50171 in ACE_OS_Thread_Adapter::invoke() ()
from /usr/lib/libACE-6.0.3.so
#23 0xb7f121cf in ace_thread_adapter () from /usr/lib/libACE-6.0.3.so
#24 0xb77d6c39 in start_thread ()
from /lib/i386-linux-gnu/i686/cmov/libpthread.so.0
#25 0xb7743a6e in clone () from /lib/i386-linux-gnu/i686/cmov/libc.so.6
[/code]
No clue what caused this. Just happened. Fiance was in Needles questing as a hunter, mother was in Undercity doing stuff as a priest.