You asked if anyone has seen that message.
No, I haven't.
If you want some help figuring out why you got this message you should give us some more information.
What are you doing when you get it?
Screen shot?
Etc.
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"