qt.qpa.xcb: could not connect to display

[rsensan]

Could you please help to fix this error?

2022-02-28 15:28:52 ip-172-31-93-208 OpenGL.acceleratesupport[101427] INFO No OpenGL_accelerate module loaded: No module named 'OpenGL_accelerate'
qt.qpa.xcb: could not connect to display
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, webgl, xcb.

Aborted (core dumped)