Hi @user_4b609e81dd52bf65681c74731231d4b50a788d83b6359b289919d2 ,
You could try this: delete the Config folder located in Documents/Twinmotion20XX/Config so that Twinmotion regenerates it clean on startup.
I also found cases where people contacted support directly; they said:
There’s also a post with a similar error that might help you.
Hope this helps!