with function pip

SQL> declare
  2    r sys.ku$_errorlines;
  3    function pip(c sys_refcursor) return sys.ku$_errorlines as
  4       g  varchar2(100);
  5       v  number;
  6       vs number;
  7       r  sys.ku$_errorlines;
  8    begin
  9       r  := sys.ku$_errorlines();
 10       vs := 0; -- -
 11       loop
 12          fetch c into g, v;
 13          exit when c%notfound;
 14          if v > vs then
 15            vs := vs + v;
 16          end if;
 17          r.extend();
 18          r(r.count) := sys.ku$_errorline(vs, g);
 19       end loop;
 20       return r;
 21    end;
 22  begin
 23    open :rc for with t(ord, val) as ( ...  )
 33                select ord, sum(val) from t group by ord order by ord;
 34    r := pip(:rc);
 35    open :rc for select errortext ord, errornumber val
 36                   from table(r);
 37  end;
 38  /

PL/SQL procedure successfully completed.

SQL>
SQL> print rc

ORD            VAL
------- ----------
a                1
b                4
c                4
d               10
e              110
f              110

6 rows selected.

SQL>