<!--<bm:field name="unreceived_amount" expression="(select ca.due_amount - nvl(ca.received_amount,0) from con_contract_cashflow ca where ca.cashflow_id = t1.write_off_cashflow_id)" forInsert="false" forUpdate="false"/>-->
<!--<bm:field name="unreceived_amount" expression="(select ca.due_amount - nvl(ca.received_amount,0) from con_contract_cashflow ca where ca.cashflow_id = t1.write_off_cashflow_id)" forInsert="false" forUpdate="false"/>-->