It was pointed out to me that the circle wasn't cutting right. I forgot to delete a big circle I had put in the middle when I was doing the screenshot. So you will need to go in and delete that on the mat and then save the file.
Click a small circle until your editing handles appear.
Slide the scallop shape over.
Delete the plain circle
Save your file.
And that should fix it.
I have changed the file in the original post if you just want to download it again.