There’s not enough information to help you. If you’d like, you can share the project link and someone else can see if this happens on their Android device.
I would recommend that you use a debugging method where you place set label's text blocks throughout your code (e.g. “1”, “2”, “3”) along with wait blocks to see which text appears. That way, if you run it on your Android phone and you see 1… 2… and then it crashes, you know the problem occurs between where you have “2” and where you have “3” in your code.
Also, just a side note that when you add an image to the forums, there’s a set of links right below it that allow you to reduce the size to 75% or 50%. I went ahead and reduced yours to 50% since it was so big.