# Ride the Lightning

**URL:** <https://community.umbrel.com/t/ride-the-lightning/18994>\
**Category:** Support and Troubleshooting\
**Created:** [August 30, 2024, 1:37pm UTC](https://community.umbrel.com/t/ride-the-lightning/18994 "2024-08-30T13:37:15Z")\
**Posts on this page:** 1\
**Showing post:** 4

<div class="post-metadata">

**Author:** ![Holyspawn](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.umbrel.com/holyspawn/32/565_2.png) [@Holyspawn](https://community.umbrel.com/u/Holyspawn)\
**Post date:** [July 3, 2026, 6:53am UTC](https://community.umbrel.com/t/ride-the-lightning/18994/4 "2026-07-03T06:53:42Z")

</div>

Same error only when i try to switch to dark mode theme, i’m unable to activate it, anyone know how to fix this?

**Update Node Settings Failed!**

#### **Error Code**

400

#### **Error Message**

Http Failure Response For [Http://umbrel-2.local:3001/rtl/api/conf/node:](Http://umbrel-2.local:3001/rtl/api/conf/node:) 400 Bad Request

#### **API URL**

./api/conf/node

[RTL-Node-1.log](https://community.umbrel.com/uploads/short-url/2m0hK5eDyM127b5m6K8nbl1YABs.log) (13.1 KB)

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_[View the full topic](https://community.umbrel.com/t/ride-the-lightning/18994)._