Hello Tero and anyone else that had read my initial post.
I had completed the editing process correctly. After talking to and trouble shooting with some fellow cameramen/Premier editors locally, I was told that it was probably a software issue.
I called Adobe Tech. and they instructed me to download a new “Cuda” Driver from Nvidia for the video card for my 3 month old 15 inch Macbook Pro-OS 10.9.3 to interface with Premier Pro 7.2.2.
Everything exported perfectly, just as it had done before when editing with Snow Leopard on my old laptop & Premier Pro 6.0.5
Thank you for your attempt to help me.
Bob Paul