Session-121.scope failed

Hello fellow Almatians!

I have started a major migration from CentOS to AlmaLinux and so far things are working fine, except for some strange systemd error that I don’t know what it means. Several servers show up as degraded, because one service has failed:

● session-121.scope - Session 121 of user root
   Loaded: loaded (/run/systemd/transient/session-121.scope; transient)
Transient: yes
   Active: failed (Result: resources)

Nov 18 11:01:34 server systemd[1]: session-121.scope: Failed to add PIDs to scope's control group: No such process
Nov 18 11:01:34 server systemd[1]: session-121.scope: Failed with result 'resources'.
Nov 18 11:01:34 server systemd[1]: Failed to start Session 121 of user root.

This did not happen under CentOS, it is a recent issue after migration to AlmaLinux. I’d appreciate some help.

Thank you.