dump when using IN in select statement

Hi All

SELECT rsnum matnr werks bdter bdmng  INTO  TABLE gt_bdmng

     FROM resb FOR ALL ENTRIES IN gt_matnr

      WHERE matnr = gt_matnr-matnr AND bdart IN (c_bdart_sb ,c_bdart_ar)

                                   AND werks = p_werks AND XLOEK = '' AND KZEAR = ''.

c_bdart_sb = 'SB'

c_bdart_ar = 'AR' 

sb and ar are declared as constants.

dump description

I am getting this dump in production,Program worked fine in development and quality.

Thanks

Vamsi