# Error message for CEP extension: Compatible app required

**URL:** <https://forums.creativeclouddeveloper.com/t/error-message-for-cep-extension-compatible-app-required/11850>\
**Category:** Plugin Marketplace\
**Tags:** bug\
**Created:** [April 14, 2026, 8:28pm UTC](https://forums.creativeclouddeveloper.com/t/error-message-for-cep-extension-compatible-app-required/11850 "2026-04-14T20:28:33Z")\
**Posts on this page:** 1\
**Showing post:** 3

<div class="post-metadata">

**Author:** ![JasonM](https://avatars.discourse-cdn.com/v4/letter/j/3be4f8/32.png) [@JasonM](https://forums.creativeclouddeveloper.com/u/JasonM)\
**Post date:** [April 22, 2026, 10:50pm UTC](https://forums.creativeclouddeveloper.com/t/error-message-for-cep-extension-compatible-app-required/11850/3 "2026-04-22T22:50:21Z")

</div>

It is most likely this same Adobe error where they cannot correctly identify the app is available if the language is not english

> [@No compatible apps](https://forums.creativeclouddeveloper.com/t/no-compatible-apps/6535/6):
>
> Well that feels really dumb. I’m changed my language preference in CC app, then had to re-download PS in English (North American) again, now my plugins will install. Thanks for the heads up tho @tomzag I’d never have figured that out, was certain it was issue with older manifest. I’m not even show how to communicate this to my users lol.

---

_[View the full topic](https://forums.creativeclouddeveloper.com/t/error-message-for-cep-extension-compatible-app-required/11850)._