ORA-45912
        cannot restore as encrypted or decrypted from backup piece with pre-12.2 compatiblity
        
        
        Cause
        An attempt to restore with encryption or decryption failed because backups must be Oracle Database 12c Release 2 compatible.
        Action
        Create a backup of the Oracle Database 12c Release 2 database or restore without encryption or decryption.
        
     
    
    
        ORA-45912
        cannot restore as encrypted or decrypted from backup piece with pre-12.2 compatiblity
        
        
        Cause
        An attempt to restore with encryption or decryption failed because backups must be Oracle Database 12c Release 2 compatible.
        Action
        Create a backup of the Oracle Database 12c Release 2 database or restore without encryption or decryption.
        
     
    
    
        ORA-45912
        cannot restore as encrypted or decrypted from backup piece having compatibility of Oracle Database earlier than release 11g release 2 (11.2)
        
        
        Cause
        An attempt was made to restore with encryption and decryption for backups with compatibility less or equal to Oracle Database 11g release 2 (11.2).
        Action
        Create a backup of Oracle Database 11g release 2 (11.2) database or, restore without encryption or decryption.