you'll definitely have to create a new one - if you edited an existing report, whilst it would work for now, the next time you update WHMCS, it will get overwritten and your changes will be lost. I don't think that you need to do what Support suggested, e.g querying a second database table - just querying the clients database table should be enough for your needs... if i'm wrong on that (and it needs the insurance policy of checking the second table for confirmation), then it's still doab