# UPDATE CRASH: Shader compilation failures are Fatal.

**URL:** <https://forums.unrealengine.com/t/update-crash-shader-compilation-failures-are-fatal/1795821>\
**Category:** Issues and Bug Reporting\
**Tags:** crash, fortnite-creative, unreal-editor-for-fortnite, bug-report, fortnite\
**Created:** [April 9, 2024, 4:25pm UTC](https://forums.unrealengine.com/t/update-crash-shader-compilation-failures-are-fatal/1795821 "2024-04-09T16:25:49Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![VIZUU](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/vizuu/32/1075026_2.png) [@VIZUU](https://forums.unrealengine.com/u/VIZUU)\
**Post date:** [April 9, 2024, 4:25pm UTC](https://forums.unrealengine.com/t/update-crash-shader-compilation-failures-are-fatal/1795821/1 "2024-04-09T16:25:50Z")

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### Please select what you are reporting on:

Unreal Editor for Fortnite

### What Type of Bug are you experiencing?

Stability

### Summary

Today after updating UEFN the map thats was working fine is impossible to open…  
I’ve attatched the crash log.

Fatal error: [File:D:\build++Fortnite\Sync\Engine\Source\Runtime\RHI\Private\PipelineStateCache.cpp] [Line: 429]  
Shader compilation failures are Fatal.

UnrealEditorFortnite\_Win64\_Shipping  
UnrealEditorFortnite\_Win64\_Shipping  
UnrealEditorFortnite\_Win64\_Shipping  
UnrealEditorFortnite\_Win64\_Shipping  
UnrealEditorFortnite\_Win64\_Shipping  
UnrealEditorFortnite\_Win64\_Shipping  
UnrealEditorFortnite\_Win64\_Shipping  
UnrealEditorFortnite\_Win64\_Shipping  
UnrealEditorFortnite\_Win64\_Shipping  
UnrealEditorFortnite\_Win64\_Shipping  
UnrealEditorFortnite\_Win64\_Shipping  
kernel32  
ntdll

### Steps to Reproduce

Just opened the project file.

### Expected Result

Instantly crash

### Observed Result

Exact

### Platform(s)

windows 11

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<div class="post-metadata">

**Author:** ![Bug-Reporter](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/bug-reporter/32/997076_2.png) [@Bug-Reporter](https://forums.unrealengine.com/u/Bug-Reporter)\
**Post date:** [July 2, 2024, 7:44pm UTC](https://forums.unrealengine.com/t/update-crash-shader-compilation-failures-are-fatal/1795821/2 "2024-07-02T19:44:02Z")

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FORT-765248 incident has been created. Status is ‘Unconfirmed’.

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<div class="post-metadata">

**Author:** ![Flak](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/flak/32/769441_2.png) [@Flak](https://forums.unrealengine.com/u/Flak)\
**Post date:** [July 3, 2024, 1:10pm UTC](https://forums.unrealengine.com/t/update-crash-shader-compilation-failures-are-fatal/1795821/3 "2024-07-03T13:10:04Z")

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@VIZUU is this still happening? If it is, could we get your logs? [How to get your Fortnite logs](https://forums.unrealengine.com/t/how-to-get-your-fortnite-logs/682382)