Blank screan

Arcade Help
1

Hi i’m a new codder and was making a educational platformer it worked for a little bit then when I was programming the finish flags this happened

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image1913×898 202 KB

here is the thing to my game:https://arcade.makecode.com/S98835-49200-75574-21981

2

Please guys this has stopped days of progress!

3

Hey it kind of works if you press menu