Oracle10g:ошибка при восстановлении битого блока

SQL> ALTER SESSION SET EVENTS '10231 TRACE NAME CONTEXT FOREVER, LEVEL 10';

Session altered.

SQL> execute DBMS_REPAIR.SKIP_CORRUPT_BLOCKS ('IVANILOVA','T2','TABLE');
BEGIN DBMS_REPAIR.SKIP_CORRUPT_BLOCKS ('IVANILOVA','T2','TABLE'); END;

*
ERROR at line 1:
ORA-06502: PL/SQL: numeric or value error: character to number conversion error
ORA-06512: at line 1

alter table ivanilova.t2 rename to corrupted;