I don't typically save the project info xml into the project library but a separate location. From there I import it into the project info window.
I wonder if the file is having a tough time deciding which project info to read, the default or your imported.
Erika
Architect, Consultant
MacBook Pro Retina, 15-inch Yosemite 2.8 GHz Intel Core i7 16 GB 1600 MHz DDR3
Mac OSX 10.11.1
AC5-18
Onuma System
"Implementing Successful Building Information Modeling"