why does it stay frozen after solveng level 1?

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	Attention	Topic was automatically imported from the old Question2Answer platform.
	Asked By	Drachenbauer

here is my sokoban game repository:

GitHub - Drachenbauer/Sokoban: Sokoban in Godot

If i solve level 1, it loads level 2.
but than it´s frozen.
What goes wrong there?