# Couldn't find target rules file for target 'VitrumEditor' in rules assembly

**URL:** <https://forums.unrealengine.com/t/couldnt-find-target-rules-file-for-target-vitrumeditor-in-rules-assembly/680055>\
**Category:** Platform & Builds\
**Tags:** Builds, unreal-engine, UE5-0, question\
**Created:** [October 30, 2022, 6:22am UTC](https://forums.unrealengine.com/t/couldnt-find-target-rules-file-for-target-vitrumeditor-in-rules-assembly/680055 "2022-10-30T06:22:34Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Draughn101](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Draughn101](https://forums.unrealengine.com/u/Draughn101)\
**Post date:** [October 30, 2022, 6:22am UTC](https://forums.unrealengine.com/t/couldnt-find-target-rules-file-for-target-vitrumeditor-in-rules-assembly/680055/1 "2022-10-30T06:22:34Z")

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Running into an issue building project due to missing target rules file for 'VitrumEditor." We’re running a pretty stock version of UE5 and cannot figure out what this would even belongs to. Searches are coming up blank.

-Target= VitrumEditor Win64 Development  
_ERROR: Couldn’t find target rules file for target ‘VitrumEditor’ in rules assembly ‘UE5Rules, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null’._

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**Author:** ![triMirror](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/trimirror/32/88717_2.png) [@triMirror](https://forums.unrealengine.com/u/triMirror)\
**Post date:** [October 30, 2022, 11:32am UTC](https://forums.unrealengine.com/t/couldnt-find-target-rules-file-for-target-vitrumeditor-in-rules-assembly/680055/2 "2022-10-30T11:32:09Z")

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This error is caused by uDraper plugin. You need to disable it if you don’t want to use it in your project.  
If you want to use it in your build, see Readme.txt in “Program Files (x86)\3D Draper\ue\Installation”. See also [How to get your uDraper 30-days free trial from uDraper website - YouTube](https://www.youtube.com/watch?v=YfxO9GCu4HA&t=170s).  
If you have other questions regarding uDraper, hop on our Discord [uDraper](https://discord.gg/CZsQVe4Y9Q)

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**Author:** ![Draughn101](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Draughn101](https://forums.unrealengine.com/u/Draughn101)\
**Post date:** [October 30, 2022, 5:41pm UTC](https://forums.unrealengine.com/t/couldnt-find-target-rules-file-for-target-vitrumeditor-in-rules-assembly/680055/3 "2022-10-30T17:41:46Z")

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You guys are incredible! I can’t believe we forgot this and blown away by the response time. Appreciate it and love uDraper.

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**Author:** ![triMirror](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/trimirror/32/88717_2.png) [@triMirror](https://forums.unrealengine.com/u/triMirror)\
**Post date:** [October 31, 2022, 11:24am UTC](https://forums.unrealengine.com/t/couldnt-find-target-rules-file-for-target-vitrumeditor-in-rules-assembly/680055/4 "2022-10-31T11:24:18Z")

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Thanks! happy to help

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**Author:** ![HadesViolet99](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@HadesViolet99](https://forums.unrealengine.com/u/HadesViolet99)\
**Post date:** [November 17, 2024, 6:23pm UTC](https://forums.unrealengine.com/t/couldnt-find-target-rules-file-for-target-vitrumeditor-in-rules-assembly/680055/5 "2024-11-17T18:23:31Z")

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For me, I recently uninstalled Udraper and I was getting packaging errors in my projects, I solved it by also deleting the draper folder in my Unreal Engine’s Plugin Marketplace folder.