We don’t think so. A few of you had an issue this afternoon where you submitted a solution that has not appeared in your list. In all cases where we have investigated, the submission is in our database, but not showing since the marking algorithm has not completed its work. We are rolling out an upgrade and expect to sort things out shortly. Since the first points time band is two days long for this challenge, it should not affect your marks.
Apologies for the delay,
Harry and the Elves