ORA-28396
        Rekey failed to process column key rewrap.
        
        
        Cause
        One or more master encryption keys required for the rekey operation could not be found in the wallet. Either incorrect master encryption key identifiers were inserted into the ENC$ dictionary table or the wallet that contained the referenced master encryption keys was improperly modified or deleted.
        Action
        Restore the most recent copy of the wallet and try again.
        
     
    
    
        ORA-28396
        rekey of enc$ dictionary table failed
        
        
        Cause
        One or more master keys required for the rekey operation could not be found in the wallet. Either incorrect master key identifiers were inserted into the enc$ dictionary table or the wallet containing the referenced master keys were improperly modified or deleted.
        Action
        Restore the most recent copy of the wallet and try again.
        
     
    
    
        ORA-28396
        rekey of enc$ dictionary table failed
        
        
        Cause
        One or more master keys required for the rekey operation could not be found in the wallet. Either incorrect master key identifiers were inserted into the enc$ dictionary table or the wallet containing the referenced master keys were improperly modified or deleted.
        Action
        Restore the most recent copy of the wallet and try again.