Just checked the Epic version, works fine here.
Make sure that you download the updated ‘Rocket League [vorpX]’ profile from the cloud I mentioned above. The profile that comes with vorpX currently does not have DX11 support, you need the updated cloud profile.
If you already did that: as always with hooking problems, please first and formemost check the pinned trouble shooting post on top of this sub forum. 99% of hooking problems are caused by some interfering background application, most likely some annyoing and unnecessary third party AV program.