For some assistants, technical previews (*.pra,*.2db, etc.) have to be added which are not defined in the project. Now as of V11 SP9, in the PARTtemplateDesigner, under Technical view, in the input field View name, the path can directly be entered.
Details on the PARTtemplateDesigner can be found under Chapter 10, PARTtemplateDesigner - Create datasheets in eCATALOGsolutions Manual.

