Screen lock does not work

MERLIN <[email protected]> Sun, 16 Nov 2025 15:21:14 +0100

Newsgroups	gmane.linux.debian.user.kde
Message-ID	<5939028.DvuYhMxLoT@miwifi-r4cm-srv>

Hi,
My PC has been running Debian Sid AMD64 KDE for some time now, probably after 
an update. The screen lock no longer works after a period of inactivity. Is 
this a known bug? Or what can I do to fix this problem?
 Thanks in advance.
Philippe Merlin