SUMMARY An applet like taskmanager's plasmoid directory will contain just a metadata.json file with no other files. Plasma excepts it have a contents/ui directory STEPS TO REPRODUCE 1. restart plasma (plasmashell --replace) OBSERVED RESULT Could not find required file "mainscript" for package PACKAGE should be QList("ui/main.qml") EXPECTED RESULT no errors SOFTWARE/OS VERSIONS Linux/KDE Plasma: 6.18.5-arch1-1 KDE Plasma Version: 6.5.9 KDE Frameworks Version: 6.22.0 Qt Version: 6.11.0 ADDITIONAL INFORMATION The same thing happens on the newest neon-unstable iso