=========== bt ==========

#0  0x0000000802561a9c in thr_kill () from /lib/libc.so.7
#1  0x00000008025f0f8b in abort () from /lib/libc.so.7
#2  0x00000008025d8f55 in __assert () from /lib/libc.so.7
#3  0x0000000000715e61 in WorldObject::GetTerrain (this=0x8058c4100)
    at ../../../src/game/Object.cpp:1745
#4  0x0000000000939425 in AntiCheat::CheckFly (this=0x8583d6200)
    at ../../../src/game/AntiCheat.cpp:609
#5  0x000000000093b3a9 in AntiCheat::_DoAntiCheatCheck (this=0x8583d6200,
    checktype=CHECK_MOVEMENT_FLY) at ../../../src/game/AntiCheat.cpp:134
#6  0x000000000093b612 in AntiCheat::_DoAntiCheatCheck (this=0x8583d6200,
    checktype=CHECK_MOVEMENT) at ../../../src/game/AntiCheat.cpp:174
#7  0x00000000009afe31 in WorldSession::HandleMovementOpcodes (
    this=0x84bd133c0, recv_data=@0x83ad1e2f0) at AntiCheat.h:99
#8  0x00000000009298ae in WorldSession::ExecuteOpcode (this=0x84bd133c0,
    opHandle=) at ../../../src/game/WorldSession.cpp:936
#9  0x000000000092c7db in WorldSession::Update (this=0x84bd133c0, diff=)
    at ../../../src/game/WorldSession.cpp:261
#10 0x00000000006eea66 in Map::Update (this=0x8b13a0000, t_diff=@0x8e2156fb8)
    at ../../../src/game/Map.cpp:453
#11 0x00000000006ef789 in InstanceMap::Update (this=0x8b13a0000,
    t_diff=@0x8e2156fb8) at ../../../src/game/Map.cpp:1428
#12 0x00000000007023e2 in MapUpdateRequest::call (this=0x8e2156f98)
    at ../../../src/game/MapUpdater.cpp:74
#13 0x0000000000a3900c in DelayExecutor::svc (this=0x83a3012c0)
    at ../../../src/shared/DelayExecutor.cpp:70
#14 0x0000000800e9afa7 in ACE_Task_Base::svc_run ()
   from /home/ps/mangos/lib/libACE-5.6.6.so
#15 0x0000000800e9b395 in ACE_Thread_Adapter::invoke ()
   from /home/ps/mangos/lib/libACE-5.6.6.so
#16 0x0000000801fcd4d1 in pthread_getprio () from /lib/libthr.so.3
#17 0x0000000000000000 in ?? ()