Systemd complains:
systemd[9508]: /usr/lib/systemd/user/gsd-color.service:7: Unknown lvalue
'CollectMode' in section 'Unit'
systemd[9508]: /usr/lib/systemd/user/gsd-a11y-settings.service:7: Unknown
lvalue 'CollectMode' in section 'Unit'
systemd[9508]: /usr/lib/systemd/user/gnome-shell-x11.service:6: Unknown lvalue
'CollectMode' in section 'Unit'
systemd[9508]: /usr/lib/systemd/user/gsd-xsettings.service:7: Unknown lvalue
'CollectMode' in section 'Unit'
systemd[9508]: /usr/lib/systemd/user/gnome-session-manager@.service:7: Unknown
lvalue 'CollectMode' in section 'Unit'
systemd[9508]: /usr/lib/systemd/user/gnome-session-failed.service:5: Unknown
lvalue 'CollectMode' in section 'Unit'

Bug ID	1177251
Summary	gsd-color.service:7: Unknown lvalue 'CollectMode' in section 'Unit'
Classification	openSUSE
Product	openSUSE Distribution
Version	Leap 15.2
Hardware	Other
OS	Other
Status	NEW
Severity	Normal
Priority	P5 - None
Component	GNOME
Assignee	gnome-bugs@suse.de
Reporter	Ulrich.Windl@rz.uni-regensburg.de
QA Contact	qa-bugs@suse.de
Found By	---
Blocker	---