help?

[Andalib Yussuf <andalib.yussuf@AMS.COM>]

Hello,
I needed some help. I am getting the following errors with this code.

*********unknown comands or extra parameters found


h.DOC_DT  &doc_date
    let $quarter = datetostr($doc_date, 'MM/DD') !need to put edit mask in
here so that only month and date are compared
     If $doc_date >= '10/01' and $doc_date <= '12/31'
           let $quarter = '1'
        else If $doc_date >= '01/01' and $doc_date <= '04/30'
           let $quarter = '2'
        end-if
        else If $doc_date >= '05/01' and $doc_date <= '06/30'
           let $quater = '3'
        end-if
        else If $doc_date >= '07/01' and $doc_date <= '10/31'
           let $quater = '4'
        end-If