I receive this message when I finish my project and click on Buy Book: Your book seems to have frames on one or more pages that do not contain photos. You must either change the layout of those pages or place photos in those frames before you can proceed

Look for pages with this type of layout:

You'll need to change the background to a color.

OT

I have the same problem, there are no empty frames or gray backgrounds and I keep getting the message "Your book seems to have frames on one or more pages that do not contain photos. You must either change the layout of those pages or place photos in those frames before you can proceed with this book."

I've been trying for two hours and can't figure out what to do, is there a phone number I can call since i ma trying to buy a photo book?

iPhoto Books are no longer supported since April 1 2016. You will need to either use a different vendor or upgrade to Photos.app

If you want to have your iPhoto created book printed rather that migrating to Photos and El Capitan you can create a pdf file of the book according to this Apple document, Preview a print project in Photos or iPhoto to avoid issues - Apple Support, and send it to PrestoPhotos. They advertise that they can print and bind books from iPhoto/Aperture/Photos pdf files. We've had one user, kgem, report back about it and he were very pleased. See his post in this topic: has anyone successfully printed a book made in aperture from a non-apple printing company

Thanks very much! Presto from PDF worked perfectly