# Error 500 after succesful app rebuild ( asset ".js" is not present in the asset pipeline.)

**URL:** <https://meta.discourse.org/t/error-500-after-succesful-app-rebuild-asset-js-is-not-present-in-the-asset-pipeline/277343>\
**Category:** Self-hosting\
**Created:** [August 31, 2023, 12:27pm UTC](https://meta.discourse.org/t/error-500-after-succesful-app-rebuild-asset-js-is-not-present-in-the-asset-pipeline/277343 "2023-08-31T12:27:53Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![leonardo](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/leonardo/32/228634_2.png) [@leonardo](https://meta.discourse.org/u/leonardo)\
**Post date:** [August 31, 2023, 6:09pm UTC](https://meta.discourse.org/t/error-500-after-succesful-app-rebuild-asset-js-is-not-present-in-the-asset-pipeline/277343/3 "2023-08-31T18:09:37Z")

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Hi Jeroen!

@pfaffman called it, this turned out to be a core PR that accidentally broke subfolder setups like yours (ie `/forums`), but we have since reverted it. The revert is already in the `tests-passed` branch, so if you update from the admin UI or do `launcher rebuild`, you’ll get the fix.

Apologies for the issues and thanks all for raising this! Seeing that this site used subfolder was helpful in pinpointing the cause.

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