error" the expression code cannot be type converted to integer value" why

[amol_salvi]

I make report in this report i need to make report to quantity this report design is

Customer

(inden)Sales Line

IF cust.GET(“Sell-to Customer No.”)THEN

desc:=cust.“Concrete No.”;

Use

IF cust.GET(“Sell-to Customer No.”)THEN

desc:=FORMAT(cust.“Concrete No.”);