# Need help in installation

**URL:** https://meta.discourse.org/t/need-help-in-installation/288608
**Category:** Self-hosting
**Tags:** dev-install
**Created:** [December 14, 2023, 4:47am UTC](https://meta.discourse.org/t/need-help-in-installation/288608 "2023-12-14T04:47:12Z")
**Posts on this page:** 4
**Page:** 1

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### Author: ![HardikJade](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/hardikjade/32/348765_2.png) [@HardikJade](https://meta.discourse.org/u/HardikJade)
#### Post date: [December 14, 2023, 4:47am UTC](https://meta.discourse.org/t/need-help-in-installation/288608/1 "2023-12-14T04:47:12Z")

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Hey I install discourse and follow advance developer guide But I am getting this error

 ![image](https://global.discourse-cdn.com/meta/original/4X/d/3/a/d3a66f119f16e0bfcb205ab6d853b14b5a096dcf.png)

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### Author: ![JammyDodger](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/jammydodger/32/254611_2.png) [@JammyDodger](https://meta.discourse.org/u/JammyDodger)
#### Post date: [December 14, 2023, 7:48am UTC](https://meta.discourse.org/t/need-help-in-installation/288608/2 "2023-12-14T07:48:35Z")

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I’ve removed the #unsupported-install tag as it seemed it was added in error, though I’m not sure how you’ve generated this error from a dev install?

Which guide did you follow?

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### Author: ![thoka](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/thoka/32/115652_2.png) [@thoka](https://meta.discourse.org/u/thoka)
#### Post date: [December 14, 2023, 6:15pm UTC](https://meta.discourse.org/t/need-help-in-installation/288608/3 "2023-12-14T18:15:34Z")

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This happens to me also when trying to run discourse without ember-cli:

> [@Discourse on local pc](https://meta.discourse.org/t/discourse-on-local-pc/201793/12):
>
> Hm. Running into Also using the old way described above.

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### Author: ![thoka](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/thoka/32/115652_2.png) [@thoka](https://meta.discourse.org/u/thoka)
#### Post date: [December 14, 2023, 7:06pm UTC](https://meta.discourse.org/t/need-help-in-installation/288608/4 "2023-12-14T19:06:56Z")

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Hm. This happens when visiting `http://localhost:3000/`.

In my case, discourse is running fine on `http://localhost:4200/` nevertheless.