Forest Pack > Forest Pro (*)

Constant Alert About Mental Ray Missing....


First of all... of course it is.
Second, How can i stop this message, apparently all of the Forest Pack assets have MR instance mentions in them.

Missing DLLs Alert box...
mrMaterialAttribs.gup mental ray custom attribute

How can i stop this in max 2021.

Paul Roberts:

Unfortunately this is a side effect of Autodesk removing Mental Ray from recent versions of Max. Even if it wasn't used, MR dependencies are present in files saved in older versions of MAX (which our have to be for compatibility)

You can see a thread here with some workarounds:*)/missing-dll/ and we also added a feature in Forest Pack 7 that should avoid Mental Ray missing DLL errors loading Library items, or loading scenes which use Forest presets.

I hope that helps,



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