Error : “SSFCOMPOP” must be a flat structure. You cannot use internal tables, strings, references, or structures as components. .
Example :
*PARAMETERS: PRINTER LIKE SSFCOMPOP-TDDEST. “DEFAULT ‘BX14’.
Here SSFCOMPOP is a flat structure .So we have to declare variable PRINTER of type Data element of field TDDEST which is ‘RSPOPNAME’.
PARAMETERS: PRINTER type RSPOPNAME. “DEFAULT ‘BX14’