ORA-26026
        unique index string.string initially in unusable state
        
        
        Cause
        A unique index is in IU state (a unique index cannot have index maintenance skipped via SKIP_UNUSABLE_INDEXES).
        Action
        Either rebuild the index or index partition, or use SKIP_INDEX_MAINTENANCE if the client is SQL*Loader.
        
     
    
    
        ORA-26026
        unique index string.string initially in unusable state
        
        
        Cause
        A unique index is in IU state (a unique index cannot have index maintenance skipped via SKIP_UNUSABLE_INDEXES).
        Action
        Either rebuild the index or index partition, or use SKIP_INDEX_MAINTENANCE if the client is SQL*Loader.
        
     
    
    
        ORA-26026
        unique index string.string initially in unusable state
        
        
        Cause
        A unique index is in IU state (a unique index cannot have index maintenance skipped via SKIP_UNUSABLE_INDEXES).
        Action
        Either rebuild the index or index partition, or use SKIP_INDEX_MAINTENANCE if the client is SQL*Loader.