You are logged on to the database as a database user.
You have the INDEX privilege for the table to which the damaged index belongs.
More information: SQL Reference Manual, Privilege Specification (privilege_specification)
The database is in the ONLINE operational state.
See Activating or Deactivating the Automatic Recreation of Damaged Indexes
Recommendation
Recreate indexes during periods where the load on the system is low.
Display the damaged indexes.
More information: Displaying Indexes
In the context menu of each damaged index, choose Recreate.
The system deletes the damaged index and recreates it.