When this happens, I have to hope that I saved the file recently before this happened and reopen it.
So I'll be working, and if I have multiple materials applied to different objects in a group, the entire group of objects will turn grey and I lose all of my materials. Crtrl+Z does not help in this case. What's worse, occasionally materials will disappear from the scene itself. Step 2: Render the selected scene locally with either the Low Quality (LQ) settings or High Quality (HQ) settings shown below. I have to hit Ctrl+Z every time I open the editor and it's an extra step I shouldn't have to take. Step 1: Download the original sample scene of choice and load it in your host application. If I open the Vray material editor with no objects selected, a random material will disappear from the editor. If I hit Ctrl+Z the material will reappear, but it's extremely frustrating and annoying to deal with. Meaning it just turns into flat grey v-ray material, and all my settings are gone. If I have an object selected, and I open the Vray material editor, the material that is applied to whatever object I have selected disappears from the editor. I'm having a very weird issue with the latest version of Vray for Max 2017.
