Unhandled Exception during load screen

info: Loading save file: \000/maps/MAP13/MAP13_save.lua
info: Loading script file: \000/maps/MAP13/MAP13_script.lua
debug: Loading module '\000/lua/sim/conquest.lua\000'
debug: Loading module '\000/lua/sim/victory.lua\000'
debug: Loading module '\000/lua/common/preload.lua\000'
debug: Loading module '\000/lua/sim/simcamera.lua\000'
debug: Loading module '\000/lua/system/singleevent.lua\000'
debug: Loading module '\000/lua/gamecolors.lua\000'
debug: Loading module '\000/lua/sim/conquestglobals.lua\000'
debug: Loading module '\000/lua/aibrain.lua\000'
debug: Loading module '\000/lua/sim/ai/brainplanner.lua\000'
debug: Loading module '\000/lua/sim/ai/herogoap.lua\000'
debug: Loading module '\000/lua/sim/skill.lua\000'
debug: Loading module '\000/lua/common/validateskill.lua\000'
debug: Loading module '\000/lua/sim/ai/heroaiaction.lua\000'
debug: Loading module '\000/lua/sim/ai/heroaigoal.lua\000'
debug: Loading module '\000/lua/sim/ai/heroaisensor.lua\000'
debug: Loading module '\000/lua/sim/ai/heroaiworldstate.lua\000'
debug: Loading module '\000/lua/sim/ai/strategicgoap.lua\000'
debug: Loading module '\000/lua/sim/ai/strategicaction.lua\000'
debug: Loading module '\000/lua/sim/ai/strategicgoal.lua\000'
debug: Loading module '\000/lua/sim/ai/strategicsensor.lua\000'
debug: Loading module '\000/lua/sim/ai/strategic/assets/laneasset.lua\000'
debug: Loading module '\000/lua/sim/ai/strategicasset.lua\000'
debug: Loading module '\000/lua/sim/ai/strategic/assets/flagasset.lua\000'
debug: Loading module '\000/lua/sim/ai/strategic/assets/strongholdasset.lua\000'
debug: Loading module '\000/lua/sim/ai/strategic/assets/enemyasset.lua\000'
debug: Loading module '\000/lua/sim/ai/strategic/assets/herobrainasset.lua\000'
debug: Loading module '\000/lua/sim/ai/strategic/assets/friendlyasset.lua\000'
debug: Loading module '\000/lua/sim/ai/strategic/assets/teambrainasset.lua\000'
debug: Loading module '\000/lua/sim/ai/strategic/assets/structuredefensefortasset.lua\000'
debug: Loading module '\000/lua/sim/ai/strategic/assets/ctfflagasset.lua\000'
debug: Loading module '\000/lua/sim/ai/strategicworldstate.lua\000'
debug: Loading module '\000/lua/sim/structureunit.lua\000'
debug: Loading module '\000/lua/sim/characterunit.lua\000'
debug: Loading module '\000/lua/sim/character.lua\000'
debug: Loading module '\000/lua/factions.lua\000'
debug: Loading module '\000/lua/sim/herounit.lua\000'
debug: Loading module '\000/lua/sim/inventory.lua\000'
info: Sim::Create() crashed: attempt to get as string a nil value
      stack traceback:

Game hangs... prison [no text]... during loading screen.

Multiplayer, 3v3 (5 AIs normal, any map)

Further I get this now with any game I create....