V13: Missing Backoffice Css File

After updating Umbraco from 13.5.2 to 13.8.0 I am getting an error saying that the back office css file is missing

sb/umbraco-backoffice-css.css.v638826559400000000 net::ERR_ABORTED 500 (Internal Server Error)

Locally it works fine, but on another environment it doesnt find the file and styling is broken for my custom dashboard app

Seems related to:

I changed the RunMinification → CacheBuster to Version as I had it on Timestamp, but this doesnt seem to fix my problem. The file is still missing

/sb/umbraco-backoffice-css.css.vd9e028084f407aec7664623657421628f9a1ef35

I am not quite sure whats missing here or what is wrong as it did work on the previous versions. Is there anything else I can provide to narrow down the issue?

Check how your Runtime minification settings are configured.
Try setting it like this:

"RuntimeMinification": { "CacheBuster": "AppDomain" }

Check if the user under which the server is running has write permissions.

Also, check if the folder exists on the server:
Smidge/Cache/Your-Computer-Name/*

If the folder exists and you’re using a CDN (for example, Cloudflare), try clearing the CDN cache.