It gave a pop-up error saying that your string conversion was incorrect. It also said it was supposed to multiply an integer and a string. I just deleted and re-downloaded and it works now. I tried to save over it about 4 days ago, but it still didn't work. I guess it just had to be deleted.
The issue was that I accidentally had the seedfinding function pointing at the middle input textboxes rather than the right (and correct) ones! X_X