CSS Errors after upgrade to 24.0.6

Nextcloud version 24.0.6
Operating system and version Unraid 6.11.1 Docker Container Linuxserver
PHP version : 7.4.26

The issue you are facing:
Is this the first time you’ve seen this error? (Y/N): Y

Steps to replicate it:

  1. Updated from 24.0.5 to 24.0.6.
  2. Log back into Dashboard and dashboard looks weird and things not functioning right

The output of your Nextcloud log in Admin > Logging:
This error is repeated over and over:

Error	cssresourceloader	Could not find resource css/css-variables.css to load		2022-10-13T17:56:22-0600
Warning	core	Failed to compile and/or save /config/www/nextcloud/core/css/css-variables.scss		2022-10-13T17:56:22-0600
Error	scss_cacher	SCSSCacher::cache unable to cache: css-variables.scss		2022-10-13T17:56:22-0600
Error	PHP	Error: file_put_contents(/data/appdata_ocbxpymb2asp/css/core/82bd-0564-css-variables.css): failed to open stream: Permission denied at /config/www/nextcloud/lib/private/Files/Storage/Local.php#296		2022-10-13T17:56:22-0600