Hello @Moto 
sorry to hear you’re having issues.
have you followed the guide in our wiki CODE & Nextcloud Office configuration
there were no obvious issues running built in CODE on 30.0.5 Upgrade Nextcloud to 30.0.5 by stondino00 · Pull Request #3023 · nextcloud-snap/nextcloud-snap · GitHub
alternatively you could try How to install & configure Collabora CODE with Docker which is the preferred method