# Failed to prepare data for IOS 

**URL:** <https://forums.unrealengine.com/t/failed-to-prepare-data-for-ios/2668295>\
**Category:** Issues and Bug Reporting\
**Tags:** fortnite-creative, unreal-editor-for-fortnite, fortnite\
**Created:** [October 24, 2025, 1:06pm UTC](https://forums.unrealengine.com/t/failed-to-prepare-data-for-ios/2668295 "2025-10-24T13:06:30Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![DIANAMITE4](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@DIANAMITE4](https://forums.unrealengine.com/u/DIANAMITE4)\
**Post date:** [October 24, 2025, 1:06pm UTC](https://forums.unrealengine.com/t/failed-to-prepare-data-for-ios/2668295/1 "2025-10-24T13:06:30Z")

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### Summary

I am trying to publish my project, when it gets to cooking the data for the plaforms, it fails at IOS. At first I thought it was a problem with my project, so I created a blank project and tried to publish but I am still getting the same error.

### Please select what you are reporting on:

Unreal Editor for Fortnite

### What Type of Bug are you experiencing?

Publishing

### Steps to Reproduce

try publishing on uefn

### Expected Result

failed to prepare platform data for IOS

### Observed Result

You are unable to publish

### Platform(s)

PC

### Upload an image

 ![Screenshot 2025-10-24 115435.png](https://d3kjluh73b9h9o.cloudfront.net/original/4X/5/6/8/5685daf44b853f3fab663d3b841a86916cb5da87.png)

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**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:** [October 24, 2025, 1:25pm UTC](https://forums.unrealengine.com/t/failed-to-prepare-data-for-ios/2668295/2 "2025-10-24T13:25:36Z")

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Duplicate here: [Can not publish iOS: Failed to prepare data](https://forums.unrealengine.com/t/can-not-publish-ios-failed-to-prepare-data/2668217) . I’ll close this thread so we don’t get duplicate tickets.

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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:** [October 24, 2025, 1:25pm UTC](https://forums.unrealengine.com/t/failed-to-prepare-data-for-ios/2668295/3 "2025-10-24T13:25:40Z")

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