3402460 - Why content from guided sourcing request is not copied to guided sourcing project?

In Guided Sourcing:

• Is it possible to copy Sourcing Request documents into a Sourcing Project created on the Sourcing Request?
• Documents are not transfer from the Sourcing Request to the Sourcing Project as they were on Classic Sourcing;
• How to copy documents from parent project to child project?
• System does not copy the information entered in the Guided Sourcing Request to the created Guided Sourcing Project. 
• "Copy all documents from the parent project?" and "Copy all project groups from the parent projects?" are not available on Guided Sourcing when creating a project from another Sourcing Request or Sourcing Project?

SAP Ariba Sourcing

child project parent project copy transfer replicate documents groups teams , KBA , BNS-ARI-GS-PRO , Guided Sourcing Project , BNS-ARI-GS-REQ , Guided Sourcing Request , Problem