How to fix this warning?

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

Hey guys,
I’m getting this warning here while rendering:

“[15:09:44.092] Warning: Material “XXX_XXX_XXX” has unlocked highlight and reflection glossiness; this is no longer supported and will be ignored.”

I know what the cause is. But because the value is hidden from the UI now, I have no way to fix it. It is happening on multiple materials from our .mat library file. Would love to get a solution for this matter.
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2

Could anything here help maybe? Unlocked Highlight and reflection glossiness error - V-Ray for 3ds Max :: Issues - Chaos Forum