# Frequent ERR\_CONTENT\_LENGTH\_MISMATCH errors in browser console in dev environment

**URL:** <https://meta.discourse.org/t/frequent-err-content-length-mismatch-errors-in-browser-console-in-dev-environment/413624>\
**Category:** Bug\
**Tags:** dev-install\
**Created:** [September 30, 2026, 4:36am UTC](https://meta.discourse.org/t/frequent-err-content-length-mismatch-errors-in-browser-console-in-dev-environment/413624 "2026-09-30T04:36:50Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![NateDhaliwal](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/natedhaliwal/32/313494_2.png) [@NateDhaliwal](https://meta.discourse.org/u/NateDhaliwal)\
**Post date:** [October 19, 2026, 10:24am UTC](https://meta.discourse.org/t/frequent-err-content-length-mismatch-errors-in-browser-console-in-dev-environment/413624/2 "2026-10-19T10:24:06Z")

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Any updates on this? I’m still getting this on my dev environment when I boot it up. Page just shows the Discourse loading indicator with no change; browser console says this:

 ![image](https://global.discourse-cdn.com/meta/original/4X/b/2/6/b26f8b2d7e7e9254b1b556b366a15d05e26eb599.png)

Throwing in a cocktail of soft and hard reloads but to no avail ☹ … only after some more reloads and restarts of the dev server does it load.

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