Gladys is not currently compatible with Debian Bullseye (Debian 11). You need to use Debian 10, or Ubuntu 20.04 at most.
If you want to follow the progress of compatibility with this system, we are working on it in this thread:
Gladys is not currently compatible with Debian Bullseye (Debian 11). You need to use Debian 10, or Ubuntu 20.04 at most.
If you want to follow the progress of compatibility with this system, we are working on it in this thread: