Report painter - basic key figure quantity cannot total

Hi,

I have created a rerport painter for CCSS and i created 4 column's using basic key figure - quantity which the value is coming from sap and i created another column with basic key figure - statistical quantity(2 column) total 6 columns(because user will key in the value in kb31n for SKF for 2 columns).

now i want to total all 6 columns but if i total the values using formula in 7th column (x001+x002+x003+x004+x005+x006) it is not getting total for 6 columns can anybody suggest me where i have to make changes.

Thank you,

KK