If I understand correctly, the rotated building wing is in a separate file. You will need to update that file separately to 14 before 14 will read it. Did you do this step?
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"