ORA-00918: column ambiguously defined for paging mode (

ORA-00918: column ambiguously defined for paging mode (

hi,
i got error while getting next page of query result.

for first page i have warning  - it's Ok.
but for next page i have ERROR
1 ORA-00918: column ambiguously defined SQL3.sql 3 8

Yes, i really have repeating column names, but without paging or for first page  - warning, second page - error.
dbforge for oracle  4.6.15
thank you.