# Aborting! CDN must have a protocol specified

**URL:** https://meta.discourse.org/t/aborting-cdn-must-have-a-protocol-specified/118210
**Category:** Support
**Created:** [May 20, 2019, 12:27pm UTC](https://meta.discourse.org/t/aborting-cdn-must-have-a-protocol-specified/118210 "2019-05-20T12:27:35Z")
**Posts on this page:** 1
**Showing post:** 3

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### Author: ![david](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/david/32/157490_2.png) [@david](https://meta.discourse.org/u/david)
#### Post date: [May 20, 2019, 12:35pm UTC](https://meta.discourse.org/t/aborting-cdn-must-have-a-protocol-specified/118210/3 "2019-05-20T12:35:36Z")

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The visible error on your forum is caused by the retort plugin. Once you manage to successfully rebuild, it should be fixed

> [@Discourse Retort](https://meta.discourse.org/t/retort-a-reaction-style-plugin-for-discourse/35903/290):
>
> I’ve just pushed a fix which removes \_.contains from the repo, so this should start working again.

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_[View the full topic](https://meta.discourse.org/t/aborting-cdn-must-have-a-protocol-specified/118210)._