DKIM doesn't generate in new Ispconfig [Solved]

Hi I have installed ispconfig with auto-installer in the new server ubuntu 22.04 and ispconfig(ISPConfig Version: 3.2.9p1) with this command:

Code:

wget -O - https://get.ispconfig.org | sh -s -- --use-nginx --use-ftp-ports=40110-40210 --unattended-upgrades --use-certbot --monit

It installed and enabled Rspamd so i wanted to make a domain in the email section and click on generate DKIM but nothing happened. it's my output:


what's the problem?

 

Solved Thanks