I am trying to print a report of Vendors transactions for last year and I keep getting a message: ' Error:120 Lookup item not found:: Formulas.Name:=Footer4key"

I did an integrity check and it's fine. I know that this function worked on Oct.12/05 because I printed a detailed one for one vendor and a summarized one for another vendor. Now I want to print the detailed listing for the summarized one, and I keep getting this message. I even tried reprinting the same report for the detailed one that was done on Oct.12 but now I'm getting this message.