Comment 2 for bug 1802583

I had been the same situation, but fix it.

The modification in this commit was seem incorrect.
 https://bazaar.launchpad.net/~mjasnik/timekpr-revived/trunk/revision/32/support/bin/users.timekpr

I just fix in line 6 to
 loginctl list-users | grep -E '^ *[0-9]+ +[a-z_][a-z0-9_-]*[$]? *$' | sed 's/^ \+//' | cut -d' ' -f2 | sort | uniq | \

I hope this will help.