milican on "[Plugin: People Profile CPT] Google+ Widget Showing Error"

1. Login to WordPress Dashboard
2. Click on People -> Add New
3. Look in the lower right Google+ widget shows an error

Google+ Widget Error
Warning: call_user_func(wpds_people_cpt_googlep_content) [function.call-user-func]: First argument is expected to be a valid callback in /home1/yourdev/public_html/xxxxx/wp-admin/includes/template.php on line 924

http://wordpress.org/plugins/people-profile-cpt/