Answer:
Yes, it is. For the design of the relevant components, it is necessary to define them as member sets and select them for the design.
Furthermore, it is important that no members are selected for the design in the warping analysis design case that are either already included in the member sets or are subjected to torsion, since the RF‑/STEEL EC3 add-on module then wants to design them using the equivalent member method, and it may not be possible to perform a design due to the torsion. A warning message would then appear.