Error: "you must use a lit vfx master node with a lit output"

Playing around with the new Output particle URP lit Quad output node.

I created a new VFX Shader Graph, and slot it into the Shader Graph slot in the Output node, and I get this error:

You must use a lit vfx master node with a lit output
UnityEditor.EditorApplication:Internal_CallUpdateFunctions ()

As far as I understand master nodes are no longer in use, right? is this just an old error message that needs to be removed?

UPDATE: I think the error message is wrong/needs updating, but this error can be fixed by just changing the type on the shadergraph to Lit

Hi @arvzg_1 ,
I believe this might be expected if you are still using the old ShaderGraph integration for the VFX Graph.
Can you please confirm if you are using the old or new integration? (some more info on this forum post).

The new refactor for URP (which no longer requires the VFX Target, gives you access to the vert stage, different material types, etc.) just got merged and should be available in the next public beta (2021.2.0b15) which should go live later this week.