# 4.7.6 material editor node preview z-index bug

**URL:** <https://forums.unrealengine.com/t/4-7-6-material-editor-node-preview-z-index-bug/318448>\
**Category:** Asset Creation\
**Tags:** unreal-engine, question\
**Created:** [May 13, 2015, 9:38am UTC](https://forums.unrealengine.com/t/4-7-6-material-editor-node-preview-z-index-bug/318448 "2015-05-13T09:38:02Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Pavel\_Halbich](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Pavel\_Halbich](https://forums.unrealengine.com/u/Pavel_Halbich)\
**Post date:** [May 13, 2015, 9:38am UTC](https://forums.unrealengine.com/t/4-7-6-material-editor-node-preview-z-index-bug/318448/1 "2015-05-13T09:38:02Z")

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Hi, I’ve encountered odd node behavior - image below.  
I’ve never encountered that. Nodes are Constant3Vector.

My engine version is: 4.7.6-2513093+++depot+UE4-Releases+4.7

![42482-screenshot+2015-05-13+11.29.33.png](https://d3kjluh73b9h9o.cloudfront.net/original/4X/d/2/b/d2b81bbff6dc225c640d3925c13e92d8beca3732.png)

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**Author:** ![Lovecraft\_K](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Lovecraft\_K](https://forums.unrealengine.com/u/Lovecraft_K)\
**Post date:** [May 13, 2015, 1:58pm UTC](https://forums.unrealengine.com/t/4-7-6-material-editor-node-preview-z-index-bug/318448/2 "2015-05-13T13:58:33Z")

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Hi Pavel -

Thank you for your report. I have entered it as UE-15506. As we investigate it for a solution, I will keep you informed here.

Eric Ketchum