Oracle Message ORA-26024 - SKIP_UNUSABLE_INDEXES requested and index segment was initially unusable

ERRORSKIP_UNUSABLE_INDEXES requested and index segment was initially unusable
CAUSEUser requested SKIP_UNUSABLE_INDEXES option, and the index segment * was in unusable state prior to the beginning of the load.
ACTIONInformational only. User will need to either rebuild the index * or index partition, or re-create the index.