When pushing "Apply" to rearrange the displays the following appears in syslog.
`Sep 5 11:39:43 myubuntu gnome-control-c[2912]: Error applying configuration: GDBus.Error:org.freedesktop.DBus.Error.UnknownMethod: Method ApplyConfiguration is not implemented on interface org.gnome.Mutter.DisplayConfig`
When pushing "Apply" to rearrange the displays the following appears in syslog.
`Sep 5 11:39:43 myubuntu gnome-control- c[2912] : Error applying configuration: GDBus.Error: org.freedesktop .DBus.Error. UnknownMethod: Method ApplyConfiguration is not implemented on interface org.gnome. Mutter. DisplayConfig`