Since Jan 28 ‘22, Moonraker has changed the way to communicate with system services to D-Bus instead of previously
After updating Moonraker you might be presented this warning message:
To resolve this warning you have to install the PolicyKit permissions with the
SSH into your system and execute the following commands:
sudo service moonraker restart
SSH into your system and make sure that
sudo apt update
sudo apt install packagekit
This should usually be installed when Moonraker was updated via the Update Manager.
By running the following command, all missing dependencies will be installed.