Minetest Segfault

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffdccfa700 (LWP 1635)]
0x00000000008a9a2c in MapNode::getContent (this=0x7fffd52e5000) at /home/brandon/Programs/minetest/src/mapnode.h:171
171                     return param0;
(gdb) backtrace full
#0  0x00000000008a9a2c in MapNode::getContent (this=0x7fffd52e5000) at /home/brandon/Programs/minetest/src/mapnode.h:171
No locals.
#1  0x0000000000b67f57 in Mapgen::propagateSunlight (this=0x7fffdccf9780, nmin=..., nmax=...) at /home/brandon/Programs/minetest/src/mapgen.cpp:308
        i = 1404976
        x = 80
        z = -337
        a = {MinEdge = {X = 48, Y = -48, Z = -448}, MaxEdge = {X = 127, Y = 63, Z = -337}}
        block_is_underground = false
        em = {X = 112, Y = 112, Z = 112}
#2  0x0000000000b67ba3 in Mapgen::calcLighting (this=0x7fffdccf9780, nmin=..., nmax=..., full_nmin=..., full_nmax=...)
    at /home/brandon/Programs/minetest/src/mapgen.cpp:272
        sp = {m_profiler = 0x1570960 <main_profiler>, m_name = "EmergeThread: mapgen lighting update", m_timer = 0x7fffd4b32bb0, m_type = SPT_AVG}
#3  0x000000000092573c in LuaVoxelManip::l_calc_lighting (L=0x40000378) at /home/brandon/Programs/minetest/src/script/lua_api/l_vmanip.cpp:194
        o = 0x7fffd4cf1230
        ndef = 0xc4d07f0
        emerge = 0xa5c5580
        vm = 0x7fffd4963750
        yblock = {X = 0, Y = 16, Z = 0}
        fpmin = {X = 32, Y = -48, Z = -448}
        fpmax = {X = 143, Y = 63, Z = -337}
        pmin = {X = 48, Y = -48, Z = -448}
        pmax = {X = 127, Y = 63, Z = -337}
        mg = {_vptr.Mapgen = 0x10fb4a0 <vtable for Mapgen+16>, seed = 0, water_level = 1, flags = 0, generating = false, id = -1, vm = 0x7fffd4963750, ndef = 0xc4d07f0,
          blockseed = 31, heightmap = 0x0, biomemap = 0x0, heatmap = 0x0, humidmap = 0x0, csize = {X = 0, Y = 0, Z = 0}, gennotify = {m_notify_on = 0,
            m_notify_on_deco_ids = 0x7ffff6656193, m_notify_events = {<std::__cxx11::_List_base<GenNotifyEvent, std::allocator<GenNotifyEvent> >> = {
                _M_impl = {<std::allocator<std::_List_node<GenNotifyEvent> >> = {<__gnu_cxx::new_allocator<std::_List_node<GenNotifyEvent> >> = {<No data fields>}, <No data fields>}, _M_node = {<std::__detail::_List_node_base> = {_M_next = 0x7fffdccf97f0, _M_prev = 0x7fffdccf97f0}, _M_data = 0}}}, <No data fields>}}}
#4  0x00000000008c282b in script_exception_wrapper (L=0x40000378, f=0x92538c <LuaVoxelManip::l_calc_lighting(lua_State*)>)
    at /home/brandon/Programs/minetest/src/script/common/c_internal.cpp:63
No locals.
#5  0x00007ffff6651811 in ?? () from /usr/local/lib/libluajit-5.1.so.2
No symbol table info available.
#6  0x00007ffff665e630 in lua_pcall () from /usr/local/lib/libluajit-5.1.so.2
No symbol table info available.
#7  0x00000000008c923f in ScriptApiBase::runCallbacksRaw (this=0x8cac3f8, nargs=3, mode=RUN_CALLBACKS_MODE_FIRST,
    fxn=0x103c190 <ScriptApiEnv::environment_OnGenerated(irr::core::vector3d<short>, irr::core::vector3d<short>, unsigned int)::__FUNCTION__> "environment_OnGenerated")
    at /home/brandon/Programs/minetest/src/script/cpp_api/s_base.cpp:190
        __PRETTY_FUNCTION__ = "void ScriptApiBase::runCallbacksRaw(int, RunCallbacksMode, const char*)"
        L = 0x40000378
        error_handler = 2
        result = 32767
#8  0x00000000008cbc4d in ScriptApiEnv::environment_OnGenerated (this=0x8cac3d0, minp=..., maxp=..., blockseed=832129187)
    at /home/brandon/Programs/minetest/src/script/cpp_api/s_env.cpp:41
        scriptlock = {mutex = @0x8cac400}
        scriptlock_checker = {m_lock_recursion_counter = 0x8cac44c, m_original_level = 0, m_owning_thread = 0x8cac450}
        L = 0x40000378
        __PRETTY_FUNCTION__ = "void ScriptApiEnv::environment_OnGenerated(v3s16, v3s16, irr::u32)"
        stack_unroller = {m_lua = 0x40000378, m_original_top = 0}
        __FUNCTION__ = "environment_OnGenerated"
#9  0x0000000000a4dc45 in EmergeThread::finishGen (this=0x8c2d440, pos=..., bmdata=0x7fffdccf9c10, modified_blocks=0x7fffdccf9be0)
    at /home/brandon/Programs/minetest/src/emerge.cpp:614
        envlock = {mutex = @0xa9b83b8}
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