# Ooops an error occured, please try again later!

**URL:** <https://forums.unrealengine.com/t/ooops-an-error-occured-please-try-again-later/2096607>\
**Category:** Issues & Bug Reporting (Fab)\
**Tags:** library, unreal-engine, question, fab\
**Created:** [October 30, 2024, 11:24pm UTC](https://forums.unrealengine.com/t/ooops-an-error-occured-please-try-again-later/2096607 "2024-10-30T23:24:07Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![luisrov](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@luisrov](https://forums.unrealengine.com/u/luisrov)\
**Post date:** [October 30, 2024, 11:24pm UTC](https://forums.unrealengine.com/t/ooops-an-error-occured-please-try-again-later/2096607/1 "2024-10-30T23:24:07Z")

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### Summary

I have purchased some assents and when I try to Add To My Library it responds with a 400 error: {“detail”:{“offerId”:[“Not free.”]}}.

### What type of bug are you experiencing?

Purchasing

### URL where the bug was encountered

> **[Niagara Wind VFX pack](https://www.fab.com/listings/217c7730-06cb-43e0-a9cb-f01af537814c)**
>
> This package includes 11 unique Niagara wind effects PREVIEW VIDEO If you have any issues, suggestions, or need any help customizing assets from this pack, feel free to ask.My Social Network:Artstation | Twitter

### Steps to Reproduce

click on Add to My Library

### Expected Result

Add to library of UE

### Observed Result

respons 400 Bad request

### Platform

Google Chrome and Safari

### Operating System

PC and Iphone

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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 31, 2024, 11:11am UTC](https://forums.unrealengine.com/t/ooops-an-error-occured-please-try-again-later/2096607/2 "2024-10-31T11:11:58Z")

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Thank you, we’re checking into this.

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**Author:** ![skfabby](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/skfabby/32/924304_2.png) [@skfabby](https://forums.unrealengine.com/u/skfabby)\
**Post date:** [October 31, 2024, 11:56am UTC](https://forums.unrealengine.com/t/ooops-an-error-occured-please-try-again-later/2096607/3 "2024-10-31T11:56:46Z")

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Hi @luisrov . Could you please check if the assets that you purchased show up in your Fab “My Library” and in Vault (despite the error)?

This is a bug that we’re working through - the “Add to Library” button should instead be “View in Library”. Hope to have it fixed soon.

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**Author:** ![NautilusProj](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@NautilusProj](https://forums.unrealengine.com/u/NautilusProj)\
**Post date:** [November 5, 2024, 3:16pm UTC](https://forums.unrealengine.com/t/ooops-an-error-occured-please-try-again-later/2096607/4 "2024-11-05T15:16:24Z")

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Same here, and for me, no, nothing i tried to claim appear in the Vault

 ![Screenshot 2024-11-05 161703](https://d3kjluh73b9h9o.cloudfront.net/original/4X/8/4/f/84fe6261eb028aec0909f75228dd156dda5001e6.jpeg)