This problem occurs at random and I cannot start any app until I restart Artix.
When i try to run nano or dolphin a get same error.
kstart plasma-desktop
plasma-desktop: no process found
Invalid MIT-MAGIC-COOKIE-1 key
qt.qpa.xcb: could not connect to display :0
qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, wayland-egl, wayland, wayland-xcomposite-egl, wayland-xcomposite-glx, xcb.