(gdb) bt full
#0  0x00000000007b75b4 in Weapon::playerWeaponCheck (this=0x7fdc380d5470, player=0x7fdc3a57b8f0, target=0x0,
    shootRange=5 '\005') at /home/comm/ot_source/src/weapons.cpp:295
        playerPos = @0x7fdc3a57b8f8: {x = 1964, y = 996, z = 7 '\a'}
        targetPos = @0x8: <error reading variable>
#1  0x00000000007b870f in WeaponDistance::useWeapon (this=0x7fdc380d5470, player=0x7fdc3a57b8f0, item=
    0x7fdc39e58300, target=0x0) at /home/comm/ot_source/src/weapons.cpp:639
        mainWeaponItem = 0x7fdc39160640
        mainWeapon = 0x0
        damageModifier = 32732
        it = @0x7fdc3e3e8518: {mix = false, group = ITEM_GROUP_NONE, type = ITEM_TYPE_NONE, id = 5107,
          clientId = 5109, stackable = true, name = "fireball bolt", article = "a",
          pluralName = "fireball bolts", description = "", runeSpellName = "", vocationString = "",
          abilities = std::unique_ptr<Abilities> containing 0x0, conditionDamage =
    std::unique_ptr<ConditionDamage> containing 0x0, weight = 80, levelDoor = 0, decayTime = 0,
          wieldInfo = 0, minReqLevel = 0, minReqMagicLevel = 0, charges = 0, maxHitChance = 90, decayTo = -1,
          attack = 40, defense = 0, extraDefense = 0, armor = 0, rotateTo = 0, runeMagLevel = 0,
          runeLevel = 0, combatType = COMBAT_NONE, transformToOnUse = 0, transformToFree = 0, destroyTo = 0,
          maxTextLen = 0, writeOnceItemId = 0, transformEquipTo = 0, transformDeEquipTo = 0, maxItems = 8,
          slotPosition = 560, speed = 0, wareId = 0, magicEffect = CONST_ME_NONE,
          bedPartnerDir = DIRECTION_NONE, weaponType = WEAPON_AMMO, ammoType = AMMO_BOLT,
          shootType = CONST_ANI_GFBBOLT, corpseType = RACE_NONE, fluidSource = FLUID_NONE,
          floorChange = 0 '\000', alwaysOnTopOrder = 0 '\000', lightLevel = 180 '\264',
          lightColor = 3 '\003', shootRange = 1 '\001', hitChance = 0 '\000', forceUse = false,
          hasHeight = false, blockSolid = false, blockPickupable = false, blockProjectile = false,
          blockPathFind = false, allowPickupable = false, showDuration = false, showCharges = false,
          showAttributes = false, replaceable = true, pickupable = true, rotatable = false, useable = false,
          moveable = true, alwaysOnTop = false, canReadText = false, canWriteText = false,
          isVertical = false, isHorizontal = false, isHangable = false, allowDistRead = false,
          lookThrough = false, stopTime = false, showCount = true}
        chance = 940326576
#2  0x0000000000739471 in Player::InternalUseWeaponOrFist (this=0x7fdc3a57b8f0)
    at /home/comm/ot_source/src/player.cpp:3028
        tool = 0x7fdc39e58300
        weapon = 0x7fdc380d5470
#3  0x00000000006b2250 in LuaScriptInterface::luaPlayerAtk (L=0x1bad5e0)
    at /home/comm/ot_source/src/luascript.cpp:7519
        player = 0x7fdc3a57b8f0
#4  0x00007fdc42119c3d in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.2.so.0
No symbol table info available.
#5  0x00007fdc4212559d in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.2.so.0
No symbol table info available.
#6  0x00007fdc42119fa8 in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.2.so.0
No symbol table info available.
#7  0x00007fdc421195bf in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.2.so.0
No symbol table info available.
#8  0x00007fdc4211a201 in ?? () from /usr/lib/x86_64-linux-gnu/liblua5.2.so.0
No symbol table info available.
#9  0x00007fdc42116186 in lua_pcallk () from /usr/lib/x86_64-linux-gnu/liblua5.2.so.0
No symbol table info available.
#10 0x0000000000651fdc in LuaScriptInterface::protectedCall (L=0x1bad5e0, nargs=2, nresults=1)
    at /home/comm/ot_source/src/luascript.cpp:288
        error_index = 5
        ret = 1071614864
#11 0x0000000000652d75 in LuaScriptInterface::callFunction (this=0xb185c0 <g_luaEnvironment>, params=2)
    at /home/comm/ot_source/src/luascript.cpp:512
        result = false
        size = 7
#12 0x00000000006bfb77 in LuaEnvironment::executeTimerEvent (this=0xb185c0 <g_luaEnvironment>, eventIndex=736)
    at /home/comm/ot_source/src/luascript.cpp:12219
        env = 0xb18780 <LuaScriptInterface::scriptEnv>
        it = {<std::__detail::_Node_iterator_base<std::pair<unsigned int const, LuaTimerEventDesc>, false>> = {_M_cur = 0x7fdc399079d0}, <No data fields>}
        timerEventDesc = {scriptId = 1061, function = 76, parameters = std::list = {[0] = -1, [1] = 78},
          eventId = 242996}
---Type <return> to continue, or q <return> to quit---
#13 0x00000000006d3eca in std::_Mem_fn<void (LuaEnvironment::*)(unsigned int)>::operator()<unsigned int&, void> (this=0x7fdc3ab48f50, __object=0xb185c0 <g_luaEnvironment>) at /usr/include/c++/4.9/functional:569
No locals.
#14 0x00000000006d0b59 in std::_Bind<std::_Mem_fn<void (LuaEnvironment::*)(unsigned int)> (LuaEnvironment*, unsigned int)>::__call<void, , 0ul, 1ul>(std::tuple<>&&, std::_Index_tuple<0ul, 1ul>) (this=0x7fdc3ab48f50,
    __args=<unknown type in /root/directory/yourots/tfs, CU 0xca0f34, DIE 0xdbdf50>)
    at /usr/include/c++/4.9/functional:1264
No locals.
#15 0x00000000006ccc4e in std::_Bind<std::_Mem_fn<void (LuaEnvironment::*)(unsigned int)> (LuaEnvironment*, unsigned int)>::operator()<, void>() (this=0x7fdc3ab48f50) at /usr/include/c++/4.9/functional:1323
No locals.
#16 0x00000000006c841b in std::_Function_handler<void (), std::_Bind<std::_Mem_fn<void (LuaEnvironment::*)(unsigned int)> (LuaEnvironment*, unsigned int)> >::_M_invoke(std::_Any_data const&) (__functor=...)
    at /usr/include/c++/4.9/functional:2039
No locals.
#17 0x00000000007951aa in std::function<void ()>::operator()() const (this=0x7fdc382d67c0)
    at /usr/include/c++/4.9/functional:2439
No locals.
#18 0x0000000000795094 in Task::operator() (this=0x7fdc382d67b0) at /home/comm/ot_source/src/tasks.h:40
No locals.
#19 0x0000000000794904 in Dispatcher::threadMain (this=0xb19180 <g_dispatcher>)
    at /home/comm/ot_source/src/tasks.cpp:60
        task = 0x7fdc382d67b0
        taskLockUnique = {_M_device = 0xb19198 <g_dispatcher+24>, _M_owns = false}
#20 0x000000000072046f in std::_Mem_fn<void (Dispatcher::*)()>::operator()<, void>(Dispatcher*) const (
    this=0x1bdfd00, __object=0xb19180 <g_dispatcher>) at /usr/include/c++/4.9/functional:569
No locals.
#21 0x000000000071ffd7 in std::_Bind_simple<std::_Mem_fn<void (Dispatcher::*)()> (Dispatcher*)>::_M_invoke<0ul>(std::_Index_tuple<0ul>) (this=0x1bdfcf8) at /usr/include/c++/4.9/functional:1700
No locals.
#22 0x000000000071fa57 in std::_Bind_simple<std::_Mem_fn<void (Dispatcher::*)()> (Dispatcher*)>::operator()()
    (this=0x1bdfcf8) at /usr/include/c++/4.9/functional:1688
No locals.
#23 0x000000000071f588 in std::thread::_Impl<std::_Bind_simple<std::_Mem_fn<void (Dispatcher::*)()> (Dispatcher*)> >::_M_run() (this=0x1bdfce0) at /usr/include/c++/4.9/thread:115
No locals.
#24 0x00007fdc413c8970 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
No symbol table info available.
#25 0x00007fdc41625064 in start_thread (arg=0x7fdc3fdf9700) at pthread_create.c:309
        __res = <optimized out>
        pd = 0x7fdc3fdf9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140583941150464, -1933120349308216528, 0,
                140583987990624, 140721725027088, 140583941150464, 1915246965858736944, 1915348759235894064},
              mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0,
              canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#26 0x00007fdc40b3862d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.