Failed to start Rotate log files on boot

ls -ald /var/lib/logrotate

drwxr-xr-x 2 root root 0 Mär 20 10:56 /var/lib/logrotate

ls -al /var/lib/logrotate/

total 4
drwxr-xr-x 2 root root 0 Mär 20 10:56 .
drwxr-xr-x 65 root root 4096 Nov 29 17:30

sudo touch /var/lib/logrotate/test
sudo rm -v /var/lib/logrotate/test

removed '/var/lib/logrotate/test'

My logrotate.conf: (/etc/logrotate.conf)

weekly
su root adm
rotate 1
create
compress
include /etc/logrotate.d

maybee wrong permission "su root adm"?

Did a test: (before test, permission on /var/lib/logrotate was: root:adm)
Changed the folder /var/lib/logrotate

to root:root

rebooted.

then:

sudo systemctl status logrotate.service

● logrotate.service - Rotate log files
Loaded: loaded (/lib/systemd/system/logrotate.service; static; vendor preset: enabled)
Active: inactive (dead)
TriggeredBy: ● logrotate.timer
Docs: man:logrotate(8)
man:logrotate.conf(5)

sudo systemctl list-units --state=failed

UNIT LOAD ACTIVE SUB DESCRIPTION
0 loaded units listed.

Seems to be working now or?