I recently purchased an iPhone 7 and I am running macOS Sierra 10.12.1. In iTunes (188.8.131.52) I want to sync my photos to my iPhone. When I click the "Sync Photos" check box, I am prompted to select from a drop down "Copy Photos from:". In this drop down, I usually select the "Photos" icon / name and thats it. But now, this option is missing (screenshot attached). Any ideas how to get the Photos option to show in the drop down? Thanks for the help.