AHF ORAchk: CRITICAL SQL Check => The data files should be recoverable

I got following finding after AHF Setup:

Benefit / Impact:
When you perform a DML or DDL operation using the NOLOGGING or UNRECOVERABLE clause, database backups made prior to the unrecoverable operation are invalidated and new backups are required. You can specify the SQL ALTER DATABASE or SQL ALTER TABLESPACE statement with the FORCE LOGGING clause to override the NOLOGGING setting; however, this statement will not repair a database that is already invalid.
Risk:

Changes under NOLOGGING will not be available after executing database recovery from a backup made prior to the unrecoverable change.

Action / Repair:
To verify that the data files are recoverable, execute the following Sqlplus command as the