I have been following instructions to install the DXA Search Module as outlined here: https://docs.rws.com/784837/295117/sdl-digital-experience-accelerator-2-2/installing-the-search-module-on-the-------------sdl-tridion-sites-content-manager
However, facing below exception on running the script. Can you please guide me on resolving the issue with the assembly as seen in error message below.
Tridion Sites 9.1/DXA 2.2