SQL>
SQL> begin
2 raise utl_file.invalid_&&firstparm;
3 exception
4 when others then dbms_output.put_line(sqlcode);
5 dbms_output.put_line(sqlerrm);
6 end;
7 /
old 2: raise utl_file.invalid_&&firstparm;
new 2: raise utl_file.invalid_--