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 app lication may fix this problem.
Avatlable platform plugins are: eglfs, linuxb, minimal, minimalegl, offscreen, vnc, wayland-egl, waylanc , wayland-composite-egl, wayland-composite-glx, webgl, xcb.