Hai,When I am trying to create sales order one run time error is occured.The error is CALL_TRANSACTION_NOT_FOUND TRANSACTION "%_GS" IS UNKNOWN.TRANSACTION "%_GS" IS NOT LISTED IN TABLE OF T.CODES.CURRENT ABAP PROGRAMME HAD TO BE TERMINATED BECAUSE ONE OF THE STATEMENT COULD NOT BE EXICUTED.THE CURRENT ABAP/4 SAPMV80Z PROGRAMME USES CALL TRANSCTION TO CALL THE TRANSACTION"%_GS".TABLE TSTC CONTAINS NO ENTRY FOR"%_GS".THIS COULD BE DUE TO PROGRAMME ERROR.