If you have three scenes, current is A, others are B and C. B uses C as background, and C uses B as a background. (which is possible via linked libraries) If you then try to use B or C as background of A, code went to eternal loop.
If you have three scenes, current is A, others are B and C. B uses C as background, and C uses B as a background. (which is possible via linked libraries) If you then try to use B or C as background of A, code went to eternal loop.