'Circular Reference in Texture Stack' error when baking Normal Maps

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When baking Normal maps Blender will sometimes throw up and error; "Circular Reference in Texture Stack". Show in how to fix it.

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Thanks for your help. I had a circular dependency error, and I solved it by removing all the materials while baking.

i read the article at Katsbits and its not clear to me the idea behind the problem.
That circular reference its exactly that, the low poly mesh has a normal map in its material and its trying to read it, its trying to read the same texture that its writing on the bake, the solution its not having a or several slots, the solution its bake the normals to a texture that its not being used by the low poly(to do it simpler a bit map witch is not being used) did i miss something here?

NahuelBd

Thank you so much I thought my whole project was in jeopardy!! But now it is saved thanks to you!! :)

mrflagmenofyou

Thank you so much! I wasted hours on this. Now it works.

ComplainBear

Awesome thank you, no forum was explaining this.

CombatWhale

that moment when you have like a bunch of texturs and you have to uncheck them all

thienv

I know I'm late to the party on this, but thank you *so* much for figuring this out and posting. Before I found this vid I was pretty close to punching myself in the face and giving up forever. T_T

CaSCHWANK

For some odd reason I get a normal map of my low poly mesh.
These are my steps:
1- Low poly mesh and high poly mesh share the exact same space.
2- Low poly mesh has been UV unwrapped and a UV grid texture.
3- I follow your steps in this video; where I uncheck the UV grid texture and create a new empty one assigned as "image or movie".
4- I go to the render tab and under bake I select "normals" and "Selected to active".
5- I select my high poly first and my low poly second and hit "bake".
The result: a baked normal map from my low poly mesh.

TheTattorack