Playout service not startet

I installed Libretime on a new Ubunto 20.04.5 LTS server under HTTP://IPADRESS:80. Unfortunately, the playout service does not start. It aborts with the following error:

serveryx:~# systemctl status libretime-playout
● libretime-playout.service - LibreTime Playout Service
Loaded: loaded (/lib/systemd/system/libretime-playout.service; enabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Tue 2022-11-29 00:02:15 CET; 14s ago
Process: 41584 ExecStart=/usr/local/bin/libretime-playout (code=exited, status=1/FAILURE)
Main PID: 41584 (code=exited, status=1/FAILURE)

Nov 29 00:02:15 serverxy systemd[1]: libretime-playout.service: Scheduled restart job, restart counter is at 5.
Nov 29 00:02:15 serverxy systemd[1]: Stopped LibreTime Playout Service.
Nov 29 00:02:15 serverxy systemd[1]: libretime-playout.service: Start request repeated too quickly.
Nov 29 00:02:15 serverxy systemd[1]: libretime-playout.service: Failed with result ‘exit-code’.
Nov 29 00:02:15 serverxy systemd[1]: Failed to start LibreTime Playout Service.
Nov 29 00:02:21 serverxy systemd[1]: libretime-playout.service: Start request repeated too quickly.
Nov 29 00:02:21 serverxy systemd[1]: libretime-playout.service: Failed with result ‘exit-code’.
Nov 29 00:02:21 serverxy systemd[1]: Failed to start LibreTime Playout Service.

Can anyone help me?