Twinmotion OpenXR VR mode won't start when using DirectX 12

When trying to start VR mode in Twinmotion 2023.2 with DirectX 12, the following pop-up occurs:

“The OpenXR runtime requires switching to a different GPU adapter, this requires an editor restart. Do you wish to restart now (you will be prompted to save any changes)?”

You have the option to either cancel or confirm, but it does not matter since both options lead to the editor displaying the VR scene, but there is no actual VR window being started with the runtime. (I have multiple GPUs on my machine.)

How can I fix this?