Can't start game due to NullPointerException

Hi there,

wanted to play the game today for the first time. I can't start it. Here's the stack trace:

Thread[Thread-0,5,main]
java.lang.NullPointerException
fi.bugbyte.spacehaven.GameLib.getAllDefaultStuff(GameLib.java:708)
fi.bugbyte.spacehaven.GameLib.getDefaultGameSettingsById(GameLib.java:720)
fi.bugbyte.spacehaven.gui.GUI.doButtons(GUI.java:11706)
fi.bugbyte.spacehaven.gui.GUI.setWorld(GUI.java:16161)
fi.bugbyte.spacehaven.SpaceHaven.initGame(SpaceHaven.java:414)
fi.bugbyte.framework.Game$LibraryLoadTask.load(Game.java:187)
fi.bugbyte.framework.LoadState$LoadScreen.update(LoadState.java:70)
fi.bugbyte.framework.screen.Screen.updateScreen(Screen.java:416)
fi.bugbyte.framework.LoadState.run(LoadState.java:144)
fi.bugbyte.framework.Game.render(Game.java:830)
com.badlogic.gdx.backends.lwjgl3.Lwjgl3Window.update(Lwjgl3Window.java:399)
com.badlogic.gdx.backends.lwjgl3.Lwjgl3Application.loop(Lwjgl3Application.java:139)
com.badlogic.gdx.backends.lwjgl3.Lwjgl3Application.<init>(Lwjgl3Application.java:111)
fi.bugbyte.spacehaven.MainClass$3.run(MainClass.java:290)
java.lang.Thread.run(Unknown Source)

The update also fails!

Cheers