Lightning Toolbar Icons Not Showing

To fix this, you'll need to select "Customize" from the top of ArcGIS.

Then, select "Customize mode".

Under the Commands tab, select "Blue Sky Evolution, LLC".

You will need to right-click and "delete" the icons on the toolbar that have been disabled.

You can then drag and drop the "Commands" icons from the right side of the window onto the Lightning toolbar.