error Fatal error: Call to a member function poll_process()

hi all

when i use the code for advanced poll (in my footer.php) , i am not getting any probelm and the output displayed nicely
the problem occurs when i add another poll in my side bar and at the footer.php, i am getting such error msg

Fatal error: Call to a member function poll_process() on a non-object in /home/domains/mysite.com/public_html/rakyat/wp-content/themes/wp/footer.php on line 15

-did i paste or use the wrong code here ?
anyone can correct me ?
thanks a million

Did you put the booth.php include in the file and any other files it says to include first?