I downloaded the updated dynamic link and now whenever I sync my ArchiCAD model to Twinmotion it overrides all of my existing materials. Has anyone had this problem yet? Connexion is now under the synchronization options. What is this and do I have to have a communication port specified?
Your question may be better served by posting on the official Twinmotion support site - https://twinmotionhelp.epicgames.com/s/
You can either submit a question to Epic, or post on the discussion board there.