ORA-19597: file string blocksize string does not match set blocksize of string
Cause: A file was specified for inclusion in a backup set but it has a logical block size different from the rest of the files in the backup set. All files in a backup set must have the same logical block size
Action: Specify a file that has the same block size as the rest of the files in the backup set. The conversation is still active and more files can be specified
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