ORA-28421
        cannot FINISH a tablespace encrypt, decrypt or rekey command which has not started
        
        
        Cause
        The ALTER TABLESPACE FINISH [ENCRYPT | DECRYPT | REKEY] command did not find a failed attempt for tablespace encrypt, decrypt or rekey.
        Action
        Check if tablespace already has a desired key version and reissue the command without FINISH keyword if necessary.
        
     
    
    
        ORA-28421
        cannot FINISH a tablespace encrypt, decrypt or rekey command which has not started
        
        
        Cause
        The ALTER TABLESPACE FINISH [ENCRYPT | DECRYPT | REKEY] command did not find a failed attempt for tablespace encrypt, decrypt or rekey.
        Action
        Check if tablespace already has a desired key version and reissue the command without FINISH keyword if necessary.
        
     
    
    
        ORA-28421
        cannot FINISH a tablespace encrypt, decrypt or rekey command which has not started
        
        
        Cause
        The ALTER TABLESPACE FINISH [ENCRYPT | DECRYPT | REKEY] command did not find a failed attempt for tablespace encrypt, decrypt or rekey.
        Action
        Check if tablespace already has a desired key version and reissue the command without FINISH keyword if necessary.