Hello guys, Could use some help here. 1) Below is a trigger body: declare cnt number; BEGIN select count(*) into cnt from xdb_record_types where query_by_default = 1 and xdb_layer_type_fk = :new.xdb_layer_type_fk; if cnt > 1 then RAISE_APPLICATION_ERROR ( num=> -1, msg=> 'Duplicate query by default for layer fk = ' + :new.xdb_layer_type_fk); end if; END; 2) I am getting error: "Missing IN or OUT parameter at index : 1" Thank you for any suggestions. -- Lyndon Tiu -- //www.freelists.org/webpage/oracle-l