Crash: Minetest 0.4.7 + mobf 2.1.83

-------------
  Separator
-------------

11:59:33: ACTION[main]: MOD: animalmaterials loading ...
11:59:33: ACTION[main]: MOD: animalmaterials mod version 0.0.20 loaded
MOD: mobf loading ...
11:59:33: ACTION[main]: MOBF: failed to open world specific config file
	registering pattern dont_move
	registering pattern run_and_jump_low
	registering pattern stop_and_go
	registering pattern swim_pattern1
	registering pattern swim_pattern2
	registering pattern flight_pattern1
error:/usr/share/minetest/builtin/serialize.lua:168: attempt to index local 'sdata' (a nil value)
error:/usr/share/minetest/builtin/serialize.lua:168: attempt to index local 'sdata' (a nil value)
MOD: mob framework mod 2.1.83 loaded
11:59:33: ACTION[main]: MOD: mobf_settings mod loading ...
11:59:33: ACTION[main]: MOD: mobf_settings mod           version 0.9.0 loaded
11:59:33: ACTION[main]: MOD: mob_slime mod loading ...
11:59:33: ACTION[main]: 	adding mob slime_L
11:59:33: ACTION[main]: 	adding mob slime_M
11:59:33: ACTION[main]: 	adding mob slime_S
11:59:33: ACTION[main]: MOD: mob_slime mod              version 0.0.11 loaded
11:59:33: ACTION[main]: MOD: mob_ostrich mod loading ...
11:59:33: ACTION[main]: 	adding mob ostrich_m
11:59:33: ACTION[main]: 	adding mob ostrich_f
11:59:33: ACTION[main]: MOD: mob_ostrich mod            version 0.0.8 loaded
11:59:33: ACTION[main]: MOD: mob_oerkki mod loading ...
11:59:33: ACTION[main]: 	adding mob oerkki
11:59:33: ACTION[main]: MOD: mob_oerkki mod         version 0.0.4 loaded
11:59:33: ACTION[main]: MOD: mob_guard mod loading ...
11:59:33: ACTION[main]: 	adding mob guard
11:59:33: ACTION[main]: MOD: mob_guard mod                version 0.0.4 loaded
11:59:33: ACTION[main]: MOD: mob_archer mod loading ...
11:59:33: ACTION[main]: 	adding mob archer
11:59:33: ACTION[main]: MOD: mob_archer mod                version 0.0.5 loaded
11:59:33: ACTION[main]: MOD: barn mod loading ...
11:59:33: ACTION[main]: MOD: barn mod version 0.0.10 loaded
11:59:33: ACTION[main]: MOD: mob_wolf loading ...
11:59:33: ACTION[main]: 	adding mob wolf
11:59:33: ACTION[main]: MOBF: no movement pattern specified!
11:59:33: ACTION[main]: 	adding mob tamed_wolf
11:59:33: ACTION[main]: MOBF: no movement pattern specified!
11:59:33: ACTION[main]: MOD: animal_wolf mod            version 0.0.16 loaded
11:59:33: ACTION[main]: MOD: loading animal_vombie ...
11:59:33: ACTION[main]: 	adding mob vombie
11:59:33: ACTION[main]: MOD: animal_vombie mod          version 0.0.25 loaded
11:59:33: ACTION[main]: MOD: trap mod loading ...
11:59:33: ACTION[main]: MOD: trap mod                    version 0.0.2 loaded
11:59:33: ACTION[main]: MOD: animal_rat loading ...
11:59:33: ACTION[main]: 	adding rat
11:59:33: ACTION[main]: MOD: animal_rat mod             version 0.0.11 loaded
11:59:33: ACTION[main]: MOD: animal_gull loading ...
11:59:33: ACTION[main]: 	adding mob gull
11:59:33: ACTION[main]: MOD: animal_gull mod            version 0.0.14 loaded
11:59:33: ACTION[main]: MOD: animal_fish_blue_white loading ...
11:59:33: ACTION[main]: 	adding mob fish_blue_white
11:59:33: ACTION[main]: MOD: animal_fish_blue_white mod version 0.0.13 loaded
11:59:33: ACTION[main]: MOD: animal_dm loading ...
11:59:33: ACTION[main]: adding mob dm
11:59:33: ACTION[main]: MOD: animal_dm mod              version 0.0.19 loaded
11:59:33: ACTION[main]: MOD: animal_deer mod loading ...
11:59:33: ACTION[main]: 	adding mob deer_m
11:59:33: ACTION[main]: MOD: animal_deer mod            version 0.0.14 loaded
11:59:33: ACTION[main]: MOD: animal_creeper mod loading ...
11:59:33: ACTION[main]: 	adding mob creeper
11:59:33: ACTION[main]: MOD: animal_creeper mod         version 0.0.19 loaded
11:59:33: ACTION[main]: MOD: animal_clownfish mod loading ...
11:59:33: ACTION[main]: 	adding animal clownfish
11:59:33: ACTION[main]: MOD: animal_clownfish mod       version 0.0.10 loaded
11:59:33: ACTION[main]: MOD: animal_chicken mod loading ...
11:59:33: ACTION[main]: 	adding animal chicken
11:59:33: ACTION[main]: 	adding animal chick_m
11:59:33: ACTION[main]: 	adding animal chick_f
11:59:33: ACTION[main]: 	adding animal rooster
11:59:33: ACTION[main]: MOD: animal_chicken mod         version 0.0.19 loaded
11:59:33: ACTION[main]: MOD: animal_big_red mod loading ...
11:59:33: ACTION[main]: 	adding mob big_red
11:59:33: ACTION[main]: MOD: animal_big_red mod         version 0.0.20 loaded
11:59:33: ACTION[main]: MOD: animal_sheep mod loading ...
11:59:33: ACTION[main]: 	adding animal sheep
11:59:33: ACTION[main]: 	adding animal sheep_naked
11:59:33: ACTION[main]: 	adding animal lamb
11:59:33: ACTION[main]: MOD: animal_sheep mod           version 0.0.25 loaded
11:59:33: ACTION[main]: MOD: animal_cow mod loading ...
11:59:33: ACTION[main]: 	adding baby_calf_f
11:59:33: ACTION[main]: 	adding baby_calf_m
11:59:33: ACTION[main]: 	adding cow
11:59:33: ACTION[main]: 	adding steer
11:59:33: ACTION[main]: MOD: animal_cow mod             version 0.0.20 loaded
11:59:33: ACTION[main]: MOD: mob_npc mod loading ...
11:59:33: ACTION[main]: 	adding mob npc_trader
11:59:33: ACTION[main]: 	adding mob npc
11:59:33: ACTION[main]: MOD: mob_npc mod                version 0.0.14 loaded
11:59:33: ACTION[main]:         .__               __                   __
11:59:33: ACTION[main]:   _____ |__| ____   _____/  |_  ____   _______/  |_
11:59:33: ACTION[main]:  /     \|  |/    \_/ __ \   __\/ __ \ /  ___/\   __\
11:59:33: ACTION[main]: |  Y Y  \  |   |  \  ___/|  | \  ___/ \___ \  |  |
11:59:33: ACTION[main]: |__|_|  /__|___|  /\___  >__|  \___  >____  > |__|
11:59:33: ACTION[main]:       \/        \/     \/          \/     \/
11:59:33: ACTION[main]: World at [/home/me/.minetest/worlds/Bobs and Mobs II]
11:59:33: ACTION[main]: Server for gameid="minetest" listening on port 30011.
creative inventory size: 240
11:59:33: ACTION[ServerThread]: singleplayer joins game. List of players: singleplayer
Font size: 8 15
11:59:44: ERROR[EmergeThread0]: ERROR: An unhandled exception occurred: LuaError: error running function get_staticdata: ...netest/mods/animals_modpack-2.1.83/mobf/factions.lua:101: attempt to index global 'factions' (a nil value)
11:59:44: ERROR[EmergeThread0]: stack traceback:
11:59:44: ERROR[EmergeThread0]: 	[C]: in function 'add_entity'
11:59:44: ERROR[EmergeThread0]: 	...netest/mods/animals_modpack-2.1.83/mobf/spawning.lua:362: in function 'spawn_and_check'
11:59:44: ERROR[EmergeThread0]: 	...mals_modpack-2.1.83/mobf/spawn_algorithms/willow.lua:109: in function 'spawnfunc'
11:59:44: ERROR[EmergeThread0]: 	...netest/mods/animals_modpack-2.1.83/mobf/spawning.lua:607: in function 'divide_mapgen'
11:59:44: ERROR[EmergeThread0]: 	...mals_modpack-2.1.83/mobf/spawn_algorithms/willow.lua:136: in function <...mals_modpack-2.1.83/mobf/spawn_algorithms/willow.lua:134>

In thread 7fbe353f3700:
/build/buildd/minetestc55-0.4.7/src/emerge.cpp:472: virtual void* EmergeThread::Thread(): Assertion '0' failed.
Debug stacks:
DEBUG STACK FOR THREAD 7fbe34bf2700:
#0  virtual void* MeshUpdateThread::Thread()
DEBUG STACK FOR THREAD 7fbe353f3700:
#0  virtual void* EmergeThread::Thread()
(Leftover data: #1  virtual MapBlock* ServerMap::emergeBlock(v3s16, bool): p=(-2,3,-2), create_blank=0)
(Leftover data: #2  MapBlock* ServerMap::loadBlock(v3s16))
(Leftover data: #3  void ServerMap::loadBlock(std::string*, v3s16, MapSector*, bool))
DEBUG STACK FOR THREAD 7fbe4d763700:
#0  virtual void* ServerThread::Thread()
#1  void Server::Receive()
(Leftover data: #2  virtual void ServerEnvironment::step(float))
(Leftover data: #3  void Server::SendBlockNoLock(irr::u16, MapBlock*, irr::u8))
(Leftover data: #4  void ItemStack::serialize(std::ostream&) const)
DEBUG STACK FOR THREAD 7fbe5cec2780:
#0  int main(int, char**)
(Leftover data: #1  void ClientMap::renderMap(irr::video::IVideoDriver*, irr::s32))
(Leftover data: #2  virtual void ClientEnvironment::step(float))
(Leftover data: #3  void Client::Receive())
(Leftover data: #4  void Client::ProcessData(irr::u8*, irr::u32, irr::u16))
(Leftover data: #5  void MeshUpdateQueue::addBlock(v3s16, MeshMakeData*, bool, bool))