I have an annual catalog (224 pgs + cover) I update each year and am having trouble opening one section of it. I have the whole thing saved as an indb file. When I try to open one of the sections I get an error saying "cannot add data to (name of section here)". I am to the point of opening the previous year's section and rebuilding for last year to be able to update for this year. It's 20 pages and most products are the same so shouldn't take that long, but I really would like to know how to open the one I want and to know if that is even possible.
I'm using Adobe InDesign CC 2017 on a Mac OS Sierra (10.12.3)