Bug - Page won't scroll sometimes after updating something in an Activity

I was updating an activity and adding in camping nights for our Troop summer camp that just ended. I updated the members who attended and then the page up or down will not scroll. I can still click on item I can see such as check boxes and carets that expand/contract items so it is not totally frozen. But I cannot scroll. It has happened several times in the activities page, usually after I do some kind of update and I have to close out Scoutbook and reopen it to allow me to scroll again. I am Scoutbook on an iPhone when this happens. No idea what would cause this. Please let me know if more details are needed.

I saw this yesterday and thought it was the phone - let me look at it more.