Libgdx setup UI gives 2 unexpected errors in new GWT project

Question

I have run the setup ui, however, I get two different errors in the -html project than what is described in the tutorial: libgdx tutorial

The tutorial error stated i

Answer 1

use the http://dl.google.com/eclipse/plugin/4.2 to install plugin on eclipse

instead of http://dl.google.com/eclipse/plugin/4.4 or 4.3