RMAN-06015：error while looking up datafile copy name
错误码
错误描述：error while looking up datafile copy name
错误原因：An error occurred while looking up the specified data file copy name in the recovery catalog or target database control file.
解决方法：This error is accompanied by other errors describing the reason for the failure. Ensure that the file name is entered correctly. If the data file copy was created when the recovery catalog was not available, then a RESYNC CATALOG must be done to update the recovery catalog.
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