[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/home/otsmanager/forgottenserver/build/tfs'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00000000006da0ce in ScriptEnvironment::addThing(Thing*) ()
[Current thread is 1 (Thread 0x7f57e10c3700 (LWP 14822))]
(gdb) bt
#0  0x00000000006da0ce in ScriptEnvironment::addThing(Thing*) ()
#1  0x000000000073b232 in LuaScriptInterface::luaItemGetUniqueId(lua_State*) ()
#2  0x00007f57e38a41a6 in ?? () from /usr/lib/x86_64-linux-gnu/libluajit-5.1.so.2
#3  0x00007f57e38e9980 in lua_pcall () from /usr/lib/x86_64-linux-gnu/libluajit-5.1.so.2
#4  0x00000000006daf32 in LuaScriptInterface::protectedCall(lua_State*, int, int) ()
#5  0x00000000006dbe34 in LuaScriptInterface::callFunction(int) ()
#6  0x00000000007504ac in LuaEnvironment::executeTimerEvent(unsigned int) ()
#7  0x0000000000767540 in void std::_Mem_fn_base::operator()(LuaEnvironment*, unsigned int&) const ()
#8  0x0000000000763e6a in void std::_Bind (LuaEnvironment*, unsigned int)>::__call(std::tuple<>&&, std::_Index_tuple) ()
#9  0x000000000075fd35 in void std::_Bind (LuaEnvironment*, unsigned int)>::operator()() ()
#10 0x000000000075ad5a in std::_Function_handler (LuaEnvironment*, unsigned int)> >::_M_invoke(std::_Any_data const&) ()
#11 0x0000000000878380 in std::function::operator()() const ()
#12 0x00000000008781fe in Task::operator()() ()
#13 0x000000000087799e in Dispatcher::threadMain() ()