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This question already has an answer here:

I downloaded a free shader setup from a site and after unwrapping it, the texture comes fine in the texture shading viewport. But when I shift to Material, or render shading, the object is just plain black. I cannot seem to understand where the mistake is. I am using cycles render.

When I tried using an another random image texture, there was no problem. I could see the texture in all modes. So idk where I am going wrong with this shader.

Edit: Sorry for being so vague. So I am using Blender Cycles v2.78. I downloaded a wood shader from a site called Chocofur, with the node setup as attached. This is how it looks in Texture Shading.

enter image description here

The node setup:

enter image description here

However, when I go to material, or rendered shading, this is how it turns out. enter image description here

enter image description here

Now just to check whether I was doing something wrong, I used a plain image as a texture in one of them, and it seemed to appear fine both in material and render shading. enter image description here

So I am guessing there is something within the shaders settings.The thing in red in the node setup is probably the problem since it says something isn't defined. I am not very thorough with using nodes and maybe that's why I can't figure it out. I hope I've been clearer this time. Let me know if I need to attach the blend file for reference.

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marked as duplicate by cegaton, Duarte Farrajota Ramos Jun 3 at 16:08

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

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    $\begingroup$ And how are we supposed to answer your question with such little information? Add at least a screenshot of your shader setup. Please read this thoroughly and add more information by using the edit link below your question. $\endgroup$ – metaphor_set Jun 3 at 12:23
  • $\begingroup$ The node group marked red and named "undefined" is likely a node type which was defined by an addon, which is now inactive/not installed. $\endgroup$ – Leander Jun 3 at 13:21
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You need to use a newer version of blender.

You can't use the Principled BSDF shader in versions previous to 2.79 .

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  • $\begingroup$ I see..that might be the problem. Thank you, will check it out in the newer version. $\endgroup$ – Zahrin D'Silva Jun 3 at 14:44

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