Created attachment 117900 [details] plasmashell Runtime Logs ScreenShot SUMMARY I can't remove or configure the default panel. I reinstalled Arch Linux for the bug! Nothing changed! Same error, same problem. I tried: 1. My OS up to date. I downgraded all plasma and qt packages. 2. I removed caches and conf files. Reinstall to all plasma and qt packages. 3. I reinstalled Arch Linux. OBSERVED RESULT Nothing changed. Same error, same problem! EXPECTED RESULT I want to remove the panel. I using cairo-dock. SOFTWARE/OS VERSIONS Kernel: 4.19.19-1-lts KDE Plasma Version: 5.14.5 KDE Frameworks Version: 5.54.0 Qt Version: 5.12.1 ADDITIONAL INFORMATION 'plasmashell' runtime logs: https://paste.ee/p/tdqRQ