Fatal error: Call to undefined function print_portal_output()

I am using vbulletin 3.8 version along with vbadvance cms i just changed my new hosting and now I am getting errors on my homepage

Fatal error: Call to undefined function print_portal_output() in /home/xxx/public_html/index.php on line 46

i reall;y don't remembr that how to fix this if some know plz help here