Nathan,
I had this happen awhile ago on one of my files. As I recall I fixed with a New & Reset (hold down the option/alt then go to the file menu and you will see the New option change) ... Good luck.
How's the weather out there? Do you miss the Oregon rain?
Erich
AC 19 6006 & AC 20
Mac OS 10.11.5
15" Retina MacBook Pro 2.6
27" iMac Retina 5K