Oracle : Ошибка ORA-26734

"different datafiles_directory_object parameter must be specified"
*Cause: The attempted operation involved datafiles platform conversion
which required the datafiles_directory_object parameter to be
specified for placing the converted data files.
*Action: Retry the operation after specifying a valid
datafiles_directory_object parameter. This directory must be
different from the directory objects for any of the datafiles for
the specified file group version.

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