23:25:54 mangos-worldd: Map.cpp:508: virtual bool InstanceMap::Add(Player*): Assertion `!playerBind' failed.

Program received signal SIGABRT, Aborted.
[Switching to Thread -1331184752 (LWP 4049)]
0xb7f9c410 in ?? ()
(gdb) bt
#0  0xb7f9c410 in ?? ()
#1  0xb0a7af68 in ?? ()
#2  0x00000006 in ?? ()
#3  0xb79188b1 in abort () from /lib/tls/i686/cmov/libc.so.6
#4  0xb791008e in __assert_fail () from /lib/tls/i686/cmov/libc.so.6
#5  0x081714cc in InstanceMap::Add (this=0xa4db57a8, player=0xa4d0c058) at Map.cpp:508
#6  0x0834e974 in WorldSession::HandleMoveWorldportAckOpcode (this=0x12a5bbf0) at MovementHandler.cpp:51
#7  0x082dafca in WorldSession::Update (this=0x12a5bbf0) at WorldSession.cpp:576
#8  0x082cf9c7 in World::UpdateSessions (this=0x85d1820, diff=100) at World.cpp:1951
#9  0x082d6a31 in World::Update (this=0x85d1820, diff=100) at World.cpp:987
#10 0x080f7feb in WorldRunnable::run (this=0xb3d36878) at WorldRunnable.cpp:61
#11 0xb7ba1cf9 in ZThread::ThreadImpl::dispatch (parent=0x85ae838, impl=0xb1538778, task=@0xb0a7b394) at ThreadImpl.cxx:407
#12 0xb7ba4364 in ZThread::(anonymous namespace)::Launcher::run (this=0xbfc9e50c) at ThreadImpl.cxx:49
#13 0xb7ba7e2c in _dispatch (arg=0x6) at posix/ThreadOps.cxx:137
#14 0xb7b644fb in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#15 0xb79c28ee in clone () from /lib/tls/i686/cmov/libc.so.6