StacktraceTop:gdk_x_error (display=<value optimized out>, _XError (dpy=0x1bf8470, rep=0x1c02fd0) _XReply (dpy=0x1bf8470, rep=0x7fffaad277d0, XGetWindowProperty (dpy=0x1bf8470, w=60817453, XRemoteClient::CheckChildren (this=0x7fffaad27e70,
StacktraceTop: gdk_x_error (display=<value optimized out>, :CheckChildren (this=0x7fffaad 27e70,
_XError (dpy=0x1bf8470, rep=0x1c02fd0)
_XReply (dpy=0x1bf8470, rep=0x7fffaad277d0,
XGetWindowProperty (dpy=0x1bf8470, w=60817453,
XRemoteClient: