Other apps are working fine but whenever I try to test this app on anything, it just gets stuck on a white screen. Thunkable
Since the sum of those two will never get greater than 18:
…you cannot expect this condition to be satisfied:
Your app goes into an infinite loop and endlessly generates random numbers. You need to check your logic.
Please make this answer as the Solution to your question if you feel it helps.
Oops, must have mistyped!