# Unreal Engine crashes when linking to parameter in Dataprep Editor.

**URL:** <https://forums.unrealengine.com/t/unreal-engine-crashes-when-linking-to-parameter-in-dataprep-editor/830446>\
**Category:** Pipeline & Plugins\
**Tags:** Datasmith, Dataprep, unreal-engine, crash, question\
**Created:** [March 28, 2023, 5:23pm UTC](https://forums.unrealengine.com/t/unreal-engine-crashes-when-linking-to-parameter-in-dataprep-editor/830446 "2023-03-28T17:23:52Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![AG-NOVA](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@AG-NOVA](https://forums.unrealengine.com/u/AG-NOVA)\
**Post date:** [March 28, 2023, 5:23pm UTC](https://forums.unrealengine.com/t/unreal-engine-crashes-when-linking-to-parameter-in-dataprep-editor/830446/1 "2023-03-28T17:23:52Z")

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Hi There,

First time user of the forum here! Please forgive me if I am not up-to-date on the appropriate rules for posting or categories etc.

I have been working with Dataprep in Unreal 5.1.1 recently and after a while I had a bunch of crashes. I managed to test that it crashes only when I try to use the ‘Link to Parameter’ feature on a material slot in the DataPrep Editor. I tested this on the ‘Substitute Material’ and ‘Set Material’ Operators. Is this a known or fixable problem?

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**Author:** ![UE\_FlavienP](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/ue_flavienp/32/1194546_2.png) [@UE\_FlavienP](https://forums.unrealengine.com/u/UE_FlavienP)\
**Post date:** [March 29, 2023, 11:09am UTC](https://forums.unrealengine.com/t/unreal-engine-crashes-when-linking-to-parameter-in-dataprep-editor/830446/2 "2023-03-29T11:09:29Z")

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> [@AG-NOVA](#):
>
> rking with Dataprep in Unreal 5.1.1 recently and after a while I had a bunch of crashes. I managed to test that it crashes only when I try to use the ‘Link to Parameter’ feature on a mat

It has been logged in our ticketing system but not worked on yet.

> **[The Unreal Engine Issues and Bug Tracker](https://issues.unrealengine.com/issue/UE-171105)**
>
> Welcome to the Unreal Engine Issue and Bug Tracker. You can check the status of an issue and search for existing bugs. See latest bug fixes too.

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**Author:** ![robscholten](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@robscholten](https://forums.unrealengine.com/u/robscholten)\
**Post date:** [March 31, 2023, 8:33am UTC](https://forums.unrealengine.com/t/unreal-engine-crashes-when-linking-to-parameter-in-dataprep-editor/830446/3 "2023-03-31T08:33:47Z")

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Okay Thank you!