qosmic-1.6.0-alt1.x86_64 freedesktop-desktop warn desktop-file-validate utility exited abnormally with the following message(s): /usr/share/applications/qosmic.desktop: error: value "QT;Graphics;2DGraphics;RasterGraphics;" for key "Categories" in group "Desktop Entry" contains an unregistered value "QT"; values extending the format should start with "X-";