Debian/Bullseye screen doesn't lock

For the last several days, my screen doesn't lock automatically after 10 minutes (as I specified in the power management settings). I've tried rebooting and resetting the power management setting but it's still not locking. I'm running Debian/Bullseye on an AMD64 system. Any suggestions on

Debian/Bullseye screen doesn't lock

For the last several days, my screen doesn't lock automatically after 10 minutes (as I specified in the power management settings). I've tried rebooting and resetting the power management setting but it's still not locking. I'm running Debian/Bullseye on an AMD64 system. Any suggestions on