That error looks like one of the cryptic messages you'll get if you haven't installed drivers for Mir yet. They're not automatically installed unless you have a phone image, or have installed the full desktop-next stack. Reasons....
Try this: sudo apt-get install mir-graphics-drivers-desktop or sudo apt-get install mir-graphics-drivers-android
That error looks like one of the cryptic messages you'll get if you haven't installed drivers for Mir yet. They're not automatically installed unless you have a phone image, or have installed the full desktop-next stack. Reasons....
Try this: drivers- desktop drivers- android
sudo apt-get install mir-graphics-
or
sudo apt-get install mir-graphics-