Horizontal transition options

Hello,
During a horizontal transition to extract a subset of the physical or Logical Architecture and to populate a new model with this subset, it is possible to select some options for transition.
Some of them, like the “Export Diagrams” option, are not available since they are grayed out.
I would like to know if it is possible to use that option and how to make it available in order to tick the checkbox?
Grégoire

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