VRayALSurface doesn't have subanim for maps.

V-Ray V-Ray for 3ds Max Issues
1

somehow all VRayALSurface maps are excluded when U query subanim of the material which break recursive tree collecting.

2

I do not understand. Could you elaborate on the issue?

3

Okay, thanks to @_Lele I understood. I’ll notify the devs about this case.