ORA-19620: %s is not of string type
Cause: When opening the file to be placed in a copy or backup set, to be inspected, or used as the target for an incremental restore, its header was not recognized as a valid file header for a file of the indicated type (data file, archived log, or control file) belonging to the current database
Action: The indicated file cannot be processed. Ensure that the correct files are being specified for the copy or backup operation
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