CRRZI0451E Copying a partitioned data set or folder is not supported.
Explanation
This message displays in response to an attempt to copy a folder or a partitioned data set into an MVS subproject by dragging it.User response
To copy the contents from a source folder or partitioned data set into an MVS subproject:- Create a partitioned data set in the MVS subproject.
- Copy the members from the source folder or partitioned data set.
- Paste the members into the new partitioned data set.