# Build error in current main branch
**URL:** https://meta.discourse.org/t/build-error-in-current-main-branch/334361
**Category:** Development
**Created:** [November 4, 2024, 9:12am UTC](https://meta.discourse.org/t/build-error-in-current-main-branch/334361 "2024-11-04T09:12:19Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@merefield](https://meta.discourse.org/u/merefield)
#### Post date: [November 4, 2024, 9:12am UTC](https://meta.discourse.org/t/build-error-in-current-main-branch/334361/1 "2024-11-04T09:12:19Z")
I’m getting this dev build error on two systems on current main
```plaintext
Module not found: Error: Can't resolve '@ember/debug' in '/home/robert/discourse/app/assets/javascripts/node_modules/ember-tracked-storage-polyfill/addon/index.js'
```
This may fox some people so I’m posting here.
---
### Author:  [@merefield](https://meta.discourse.org/u/merefield)
#### Post date: [November 4, 2024, 9:13am UTC](https://meta.discourse.org/t/build-error-in-current-main-branch/334361/2 "2024-11-04T09:13:43Z")
Unusually you apppear to need to delete the `node_modules` directory deep in the Discourse directory structure:
`rm -r app/assets/javascripts/node_modules`
After that, the error should disappear.
---
### Author:  [@system](https://meta.discourse.org/u/system)
#### Post date: [December 4, 2024, 9:14am UTC](https://meta.discourse.org/t/build-error-in-current-main-branch/334361/3 "2024-12-04T09:14:37Z")
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