I just installed kdeconnect, ran it, and when I clicked on configuration, this message appeared: file:///usr/lib64/qt5/qml/org/kde/kirigami.2/PageRow.qml:914: Error: Error while loading page: qrc:/qml/Settings.qml:8 module "org.kde.kirigamiaddons.labs.mobileform" is not installed Missing dependency maybe?
installing dev-libs/kirigami-addons solved this
*** This bug has been marked as a duplicate of bug 911326 ***