https://bugs.kde.org/show_bug.cgi?id=404405
--- Comment #1 from Haochen Tong <i...@hexchain.org> --- Here are some logs that appeared when this issue last happened: Feb 15 17:29:20 hostname kscreenlocker_greet[13859]: Qt: Session management error: networkIdsList argument is NULL Feb 15 17:29:20 hostname kscreenlocker_greet[13859]: UdevQt: unable to create udev monitor connection Feb 15 17:29:20 hostname kscreenlocker_greet[13859]: Connecting to deprecated signal QDBusConnectionInterface::serviceOwnerChanged(QString,QString,QString) Feb 15 17:29:20 hostname kscreenlocker_greet[13859]: file:///usr/share/plasma/look-and-feel/org.kde.breeze.desktop/contents/components/WallpaperFader.qml:138:13: QML PropertyChanges: Cannot assign to non-existent property "opacity" Feb 15 17:29:20 hostname kscreenlocker_greet[13859]: file:///usr/share/plasma/look-and-feel/org.kde.breeze.desktop/contents/components/VirtualKeyboard.qml:20:1: module "QtQuick.VirtualKeyboard" is not installed Feb 15 17:29:20 hostname kscreenlocker_greet[13859]: file:///usr/share/plasma/look-and-feel/org.kde.breeze.desktop/contents/components/Clock.qml:40:13: Unable to assign [undefined] to QColor Feb 15 17:29:20 hostname kscreenlocker_greet[13859]: file:///usr/share/plasma/look-and-feel/org.kde.breeze.desktop/contents/components/Clock.qml:39:13: Unable to assign [undefined] to int Feb 15 17:29:20 hostname kscreenlocker_greet[13859]: file:///usr/share/plasma/look-and-feel/org.kde.breeze.desktop/contents/components/Clock.qml:47:13: Unable to assign [undefined] to QColor Feb 15 17:29:20 hostname kscreenlocker_greet[13859]: file:///usr/share/plasma/look-and-feel/org.kde.breeze.desktop/contents/components/Clock.qml:46:13: Unable to assign [undefined] to int Feb 15 17:29:20 hostname kscreenlocker_greet[13859]: file:///usr/share/plasma/look-and-feel/org.kde.breeze.desktop/contents/lockscreen/LockScreenUi.qml:166: ReferenceError: clockShadow is not defined Feb 15 17:29:20 hostname kscreenlocker_greet[13859]: file:///usr/share/plasma/look-and-feel/org.kde.breeze.desktop/contents/components/UserDelegate.qml:174: ReferenceError: ColorScope is not defined Feb 15 17:29:20 hostname kscreenlocker_greet[13859]: file:///usr/share/plasma/look-and-feel/org.kde.breeze.desktop/contents/components/UserDelegate.qml:161:9: Unable to assign [undefined] to QColor Feb 15 17:29:20 hostname kscreenlocker_greet[13859]: file:///usr/share/plasma/look-and-feel/org.kde.breeze.desktop/contents/components/UserDelegate.qml:160:9: Unable to assign [undefined] to int Feb 15 17:31:20 hostname kscreenlocker_greet[13859]: couldn't lock local file Feb 15 17:37:37 hostname kscreenlocker_greet[13859]: file:///usr/share/plasma/look-and-feel/org.kde.breeze.desktop/contents/components/WallpaperFader.qml:119:13: QML PropertyChanges: Cannot assign to non-existent property "opacity" Feb 15 17:37:47 hostname kscreenlocker_greet[13859]: file:///usr/share/plasma/look-and-feel/org.kde.breeze.desktop/contents/components/WallpaperFader.qml:138:13: QML PropertyChanges: Cannot assign to non-existent property "opacity" Feb 15 17:37:54 hostname kscreenlocker_greet[13859]: file:///usr/share/plasma/look-and-feel/org.kde.breeze.desktop/contents/components/WallpaperFader.qml:119:13: QML PropertyChanges: Cannot assign to non-existent property "opacity" -- You are receiving this mail because: You are watching all bug changes.