Hi, thank you for this mod! Just wanted to report this error in build 42.9.0:

`attempted index: inGame of non-table: null
function: NIM_overrideWorldMapBackgroundKeyPress -- file: NIM_ISMapDefinitions.lua line # 36 | MOD: Handmade maps: A Map Overhaul - MoreMaps Patch
java.lang.RuntimeException: attempted index: inGame of non-table: null
at se.krka.kahlua.vm.KahluaThread.tableget(KahluaThread.java:1667)
at se.krka.kahlua.vm.KahluaThread.luaMainloop(KahluaThread.java:479)
at se.krka.kahlua.vm.KahluaThread.call(KahluaThread.java:173)
at se.krka.kahlua.vm.KahluaThread.pcall(KahluaThread.java:1963)
at se.krka.kahlua.vm.KahluaThread.pcallvoid(KahluaThread.java:1790)
at se.krka.kahlua.integration.LuaCaller.pcallvoid(LuaCaller.java:66)
at se.krka.kahlua.integration.LuaCaller.protectedCallVoid(LuaCaller.java:139)
at zombie.Lua.Event.trigger(Event.java:72)
at zombie.Lua.LuaEventManager.triggerEvent(LuaEventManager.java:315)
at zombie.input.GameKeyboard.update(GameKeyboard.java:65)
at zombie.GameWindow.logic(GameWindow.java:307)
at zombie.GameWindow.frameStep(GameWindow.java:914)
at zombie.GameWindow.mainThreadStep(GameWindow.java:640)
at zombie.MainThread.mainLoop(MainThread.java:76)
at java.base/java.lang.Thread.run(Unknown Source)
`