Nobody can tell you anything without proper system info or other technical details.
> keep getting error message that my version of CS6 will not open with my OS X
What is the exact error message?
What exact version of After Effects are you using?
My guess is that you haven't installed the most recent update for After Effects CS6:
Thanks Mylenium and Tood_Kopriva for your replies. This is a screen shot of the message that I getting. After I have clicked on the AE program icon, (which was working prior to my attempt to use the template. All other adobe programs open and work perfectly). I have a MacBook Pro 2012 with OS X version 10.9.5 and a 2.6 GHz Intel Core i7 processor. With Adobe Creative Suite 6 Master Collection for Mac with License and S/N. Please advise.