Thanks you for the quick reply and update on the plugin add-on.
I have already updated the add-on and its has resolved the warning error.
I will let you know if I see any other similar issues as I continue word on the site.
Thanks you once again for your assistance and Happy Holidays.
Paid Memberships Pro version 1.7.4 and PMPro Series Version .2 are both free plugins
http://wordpress.org/plugins/paid-memberships-pro/