Error Description:
%s header validation failed for file string

Error 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:
Ensure that the correct files are being specified for the copy or backup operation.

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