# UEFN Project Corrupted - Cannot validate against first published version (only Epic can fix??)

**URL:** <https://forums.unrealengine.com/t/uefn-project-corrupted-cannot-validate-against-first-published-version-only-epic-can-fix/2008563>\
**Category:** Issues and Bug Reporting\
**Tags:** unreal-engine, fortnite-creative, unreal-editor-for-fortnite, crash, bug-report, fortnite\
**Created:** [September 6, 2024, 4:53pm UTC](https://forums.unrealengine.com/t/uefn-project-corrupted-cannot-validate-against-first-published-version-only-epic-can-fix/2008563 "2024-09-06T16:53:25Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![Jimbohalo10](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/jimbohalo10/32/961440_2.png) [@Jimbohalo10](https://forums.unrealengine.com/u/Jimbohalo10)\
**Post date:** [September 7, 2024, 5:51pm UTC](https://forums.unrealengine.com/t/uefn-project-corrupted-cannot-validate-against-first-published-version-only-epic-can-fix/2008563/6 "2024-09-07T17:51:45Z")

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hi @Engineers  
this known problem sounds like yours

[Fortnite Ecosystem v31.00 with Known Issues - General / Announcements - Epic Developer Community Forums (unrealengine.com)](https://forums.unrealengine.com/t/fortnite-ecosystem-v31-00-with-known-issues/1978173/10)

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