Please update your vibe course module plugin to latest version 2.8.0.1 as quick fix .
Please replace the bp-course-tour.php file in your wp-content/plugins/vibe-course-module/includes folder with the bp-course-tour.php file given in the attached bp-course-tour.zip file .
Download bp-course-tour.zip from here : http://ow.ly/wCVT30bnPeG