Suggestion 1 :

Restart the machine

Suggestion 2:

-Shut the machine down

-open the panel on the left side of the ops panel and there should be 3 buttons From top to bottom, call them 1,2 and 3

-hold in buttons 1 and two and power on the machine

-when the blue splash screen comes up, press and hold buttons 1 and 2 to enter the development mode

To Navigate:

1 = up

2 = down

3 = select

-Navigate down to “wipe legacyUI area” and select it

-once this is completed, navigate down the “wipe free area partition” and select it

Once this is all complete select “reebot system now”

This should make the error disappear.