Ajenti 1.x installation error on ubuntu server 22.04

I'm trying to install the 1.x version of Ajenti on Ubuntu Server 22.04 and I get this error:

root@server:/home/ti# apt-get install ajenti -y
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 ajenti : Depends: python (>= 2.6) but it is not installable
          Depends: python-support (>= 0.90.0) but it is not going to be installed
          Depends: python-lxml (>= 2.2.4) but it is not installable
          Depends: python-gevent but it is not going to be installed
          Depends: python-gevent-socketio but it is not going to be installed
          Depends: python-psutil (>= 0.6.0) but it is not going to be installed
          Depends: python-reconfigure (>= 0.1.46) but it is not going to be installed
          Depends: python-daemon but it is not installable
          Depends: python-passlib but it is not going to be installed
          Depends: python-requests (>= 0.12.0) but it is not going to be installed
          Depends: python-dbus but it is not installable
          Depends: python-imaging but it is not installable
          Depends: python-catcher but it is not going to be installed
          Depends: python-exconsole (>= 0.1.5) but it is not going to be installed
          Depends: python-ldap but it is not installable
E: Unable to correct problems, you have held broken packages.

I found several tips on other forums but none solved the problem.