Hi Tariq,

SUM is group finction for SQL.
You must create report variable with Calculate Sum.
And use this variable in report expression.

sum_variable+ comm.sub2

MartinJ

>Dear Experts
>
>In report field expression I use following line
>

>sum(flow_ra.lose)+ comm.sub2
>

>But it creates error e.g.
>File ‘sum.prg’ does not exists.
>
>I do not want to use CALCULATION beacuse as expression
>sum(flow_ra.lose)+ comm.sub2
>I want to get the sum of (flow_ra.lose) and amount of (comm.sub2)
>
>How to use sum() in field expression?
>
>Please help