# UEFN Crahses when opening any project after v37.00

**URL:** <https://forums.unrealengine.com/t/uefn-crahses-when-opening-any-project-after-v37-00/2634071>\
**Category:** Issues and Bug Reporting\
**Tags:** open, crash, fortnite-creative, unreal-editor-for-fortnite, fortnite\
**Created:** [August 7, 2025, 10:34pm UTC](https://forums.unrealengine.com/t/uefn-crahses-when-opening-any-project-after-v37-00/2634071 "2025-08-07T22:34:34Z")\
**Posts on this page:** 11\
**Page:** 1

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**Author:** ![euLegacy](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/eulegacy/32/940773_2.png) [@euLegacy](https://forums.unrealengine.com/u/euLegacy)\
**Post date:** [August 7, 2025, 10:34pm UTC](https://forums.unrealengine.com/t/uefn-crahses-when-opening-any-project-after-v37-00/2634071/1 "2025-08-07T22:34:34Z")

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### Summary

When Opening ANY Project on UEFN after the v37.00 update, UEFN Crashes and shows me this:

Unhandled Exception: EXCEPTION\_INT\_DIVIDE\_BY\_ZERO

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

### Please select what you are reporting on:

Unreal Editor for Fortnite

### What Type of Bug are you experiencing?

Stability

### Steps to Reproduce

Just Open Any Project after the v37.00 Update.

### Expected Result

The Project would open normally.

### Observed Result

UEFN Crashes.

### Platform(s)

PC

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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:** [August 8, 2025, 3:10am UTC](https://forums.unrealengine.com/t/uefn-crahses-when-opening-any-project-after-v37-00/2634071/2 "2025-08-08T03:10:26Z")

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FORT-950482 has been created and its status is ‘Unconfirmed’. This is now in a queue to be reproduced and confirmed.

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**Author:** ![JosuLow](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/josulow/32/1054807_2.png) [@JosuLow](https://forums.unrealengine.com/u/JosuLow)\
**Post date:** [August 8, 2025, 3:00pm UTC](https://forums.unrealengine.com/t/uefn-crahses-when-opening-any-project-after-v37-00/2634071/3 "2025-08-08T15:00:00Z")

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Hello!  
Can you please share with us some logs?  
If you don’t know how to get logs, [here](https://forums.unrealengine.com/t/how-to-get-your-fortnite-logs/682382) you have how to do it.

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<div class="post-metadata">

**Author:** ![euLegacy](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/eulegacy/32/940773_2.png) [@euLegacy](https://forums.unrealengine.com/u/euLegacy)\
**Post date:** [August 8, 2025, 3:08pm UTC](https://forums.unrealengine.com/t/uefn-crahses-when-opening-any-project-after-v37-00/2634071/4 "2025-08-08T15:08:05Z")

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Sure!  
[UnrealEditorFortniteLog.zip](https://forums.unrealengine.com/uploads/short-url/6GunIjL3oVlqQCfpqfPVDpMf0yo.zip) (424.4 KB)

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<div class="post-metadata">

**Author:** ![euLegacy](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/eulegacy/32/940773_2.png) [@euLegacy](https://forums.unrealengine.com/u/euLegacy)\
**Post date:** [August 8, 2025, 6:23pm UTC](https://forums.unrealengine.com/t/uefn-crahses-when-opening-any-project-after-v37-00/2634071/5 "2025-08-08T18:23:45Z")

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A little update: i can open projects that do not have Unreal Revision Control. however the ones that have it activated still crash my uefn

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<div class="post-metadata">

**Author:** ![gxg\_work](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@gxg\_work](https://forums.unrealengine.com/u/gxg_work)\
**Post date:** [August 11, 2025, 7:10pm UTC](https://forums.unrealengine.com/t/uefn-crahses-when-opening-any-project-after-v37-00/2634071/6 "2025-08-11T19:10:53Z")

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@euLegacy Thank you for your report and for your patience. Please see my response and follow along for further updates here: [CRITICAL BUG REPORT: UEFN Crashes with EXCEPTION\_INT\_DIVIDE\_BY\_ZERO After Update 37.00 - #20 by gxg\_work](https://forums.unrealengine.com/t/critical-bug-report-uefn-crashes-with-exception-int-divide-by-zero-after-update-37-00/2634620/20)

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<div class="post-metadata">

**Author:** ![GTOGIVETHEMONE](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/gtogivethemone/32/1096103_2.png) [@GTOGIVETHEMONE](https://forums.unrealengine.com/u/GTOGIVETHEMONE)\
**Post date:** [August 13, 2025, 11:16am UTC](https://forums.unrealengine.com/t/uefn-crahses-when-opening-any-project-after-v37-00/2634071/7 "2025-08-13T11:16:55Z")

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[Logs.zip](https://forums.unrealengine.com/uploads/short-url/p8bEhtWuFqug9HKtSiN8voFexuf.zip) (1.8 MB)  
Same Problem crashing when trying to create new project

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<div class="post-metadata">

**Author:** ![GTOGIVETHEMONE](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/gtogivethemone/32/1096103_2.png) [@GTOGIVETHEMONE](https://forums.unrealengine.com/u/GTOGIVETHEMONE)\
**Post date:** [August 13, 2025, 3:16pm UTC](https://forums.unrealengine.com/t/uefn-crahses-when-opening-any-project-after-v37-00/2634071/8 "2025-08-13T15:16:04Z")

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after the update Working now so far Thanks

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<div class="post-metadata">

**Author:** ![gxg\_work](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@gxg\_work](https://forums.unrealengine.com/u/gxg_work)\
**Post date:** [August 13, 2025, 5:41pm UTC](https://forums.unrealengine.com/t/uefn-crahses-when-opening-any-project-after-v37-00/2634071/9 "2025-08-13T17:41:03Z")

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Hi all, confirming that the update with the fix went out about 5hours ago

Please let us know if any of you continue to see this problem, but as far as we know currently, this should be resolved.

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<div class="post-metadata">

**Author:** ![euLegacy](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/eulegacy/32/940773_2.png) [@euLegacy](https://forums.unrealengine.com/u/euLegacy)\
**Post date:** [August 14, 2025, 5:24pm UTC](https://forums.unrealengine.com/t/uefn-crahses-when-opening-any-project-after-v37-00/2634071/10 "2025-08-14T17:24:36Z")

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Hey, Sorry for the late response but everything is working just fine.

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<div class="post-metadata">

**Author:** ![system](https://d3kjluh73b9h9o.cloudfront.net/original/4X/7/1/3/713c9d3f58553f0de89543d76a8a3a2779dc9fa4.png) [@system](https://forums.unrealengine.com/u/system)\
**Post date:** [February 3, 2026, 10:35pm UTC](https://forums.unrealengine.com/t/uefn-crahses-when-opening-any-project-after-v37-00/2634071/11 "2026-02-03T22:35:12Z")

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