Failed to load icinga_command "plugin-event-command"

Hello, everyone,
I have the problem that no events are triggered. I think something is wrong with the configuration.

I created my events normally via the director. However, this is not carried out at all.
When I view the event, then go to the preview and open
“plugin-event-command” I get the following error: “Failed to load icinga_command” plugin-event-command "

The event is also not carried out.
Can someone tell me where my mistake is?
Give as much information as you can, e.g.

  • Director version (System - About): 1.8.1
  • Icinga Web 2 version and modules (System - About):2.9.3
  • Icinga 2 version (icinga2 --version):r2.13.1-1
  • Operating System and version: Ubuntu Server 20.4
  • Webserver, PHP versions:Apache , PHP 7.4.3

Just a stab in the dark here, but most of the time it’s a missing/misversioned Icingaweb2 module, or PHP dependency when I see errors like this.

Could be wrong, could be a bug as well. What Icingaweb2 modules do you have installed?