because most of the time spring crash because of lua and i get something like that :
LuaUI::RunCallIn: error = 2, Update, [string "LuaUI/widgets.lua"]:703: attempt to index field '?' (a nil value)
LuaUI::RunCallIn: error = 2, DrawWorld, [string "LuaUI/widgets.lua"]:210: attempt to get length of local 't' (a nil value)
LuaUI::RunCallIn: error = 2, DrawScreenEffects, [string "LuaUI/widgets.lua"]:210: attempt to get length of local 't' (a nil value)
LuaUI::RunCallIn: error = 2, Update, [string "LuaUI/widgets.lua"]:703: attempt to index field '?' (a nil value)