# Uncaught ReferenceError: Discourse is not defined due to Cloudflare Rocket Loader

**URL:** <https://meta.discourse.org/t/uncaught-referenceerror-discourse-is-not-defined-due-to-cloudflare-rocket-loader/165734>\
**Category:** Product Support\
**Created:** [September 29, 2020, 2:25pm UTC](https://meta.discourse.org/t/uncaught-referenceerror-discourse-is-not-defined-due-to-cloudflare-rocket-loader/165734 "2020-09-29T14:25:42Z")\
**Posts on this page:** 1\
**Showing post:** 5

<div class="post-metadata">

**Author:** ![Faizan\_Zahid](https://avatars.discourse-cdn.com/v4/letter/f/b9bd4f/32.png) [@Faizan\_Zahid](https://meta.discourse.org/u/Faizan_Zahid)\
**Post date:** [September 29, 2020, 3:15pm UTC](https://meta.discourse.org/t/uncaught-referenceerror-discourse-is-not-defined-due-to-cloudflare-rocket-loader/165734/5 "2020-09-29T15:15:44Z")

</div>

Okay lets see, so you suggest me to keep that cloud gray and keep rocket loader off from settings aswell?

Also, i noticed many times randomly my site UI breaks up like this and i see this error in console

 ![image](https://global.discourse-cdn.com/meta/original/3X/c/8/c81b11511da4af195a0533f0e7f285380199ee75.png)

```plaintext
NetworkFirst.mjs:167 Uncaught (in promise) no-response: no-response :: [{"url":"https://pagead2.googlesyndication.com/pagead/gen_204?id=puberror&context=165&msg=TagError%3A%20adsbygoogle.push()%20error%3A%20No%20slot%20size%20for%20availableWidth%3D0%0Aat%20Vj%20(https%3A%2F%2Fpagead2.googlesyndication.com%2Fpagead%2Fjs%2Fadsbygoogle.js%3A155%3A453)%0Aat%20Uj%20(adsbygoogle.js%3A154%3A137)%0Aat%20ik%20(adsbygoogle.js%3A162%3A239)%0Aat%20Pk%20(adsbygoogle.js%3A191%3A493)%0Aat%20sl%20(adsbygoogle.js%3A209%3A106)%0Aat%20rl%20(adsbygoogle.js%3A207%3A1123)%0Aat%20Cl%20(adsbygoogle.js%3A222%3A288)%0Aat%20adsbygoogle.js%3A217%3A43%0Aat%20Ce.n.ba%20(adsbygoogle.js%3A68%3A294)%0Aat%20Qe%20(adsbygoogle.js%3A77%3A357)&shv=r20200924&eid=42530672%2C21067492&client=ca-pub-7087907313091932&slotname=5744927958&url=https%3A%2F%2Fhowtodiscuss.com%2Flatest"}]
    at a.makeRequest (https://howtodiscuss.com/javascripts/workbox/workbox-strategies.prod.js:1:2145)

```

Even if i disable or enable adblocker, this error does not go away.

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