Oracle Message ORA-19599 - block number string is corrupt in string string

ERRORblock number string is corrupt in string string
CAUSEA corrupt block was found in a control file, archived log, or backup piece that is being read for a backup or copy. Corruption shall not be tolerated in control files, archived logs, or backup pieces.
ACTIONNone. The copy or backup operation fails. Note that in the case of a backup set, the conversation is still active and the piece may be retried.