Cron Error

My Cron is sending me this message, anyone have any ideas why ?

Fatal error: Call to undefined function  cupid_email_cron() in
/home/samantha/public_html/social/periodic/cupid.php on line 30

I have a feeling its to do with the befriend button when a member sends a brfeiend request

I would apprecita any help here

Cheer

no disrespect mike for posting here.  can anyone help me with this?  i had d6 and upgraded to d7.  looking for the free license for d7.  went to my account here and clicked on my licenses and there is nothing there at all.  i need this asap, can you help me?  thanks