problems with the installation

I have matlab 2016a installed, when I try to install following the steps that appear on your page I get an error, I have already tried with two different computers but I cannot solve it, I need your help since I want to do some tests for my project and be able to buy some package, attached the image of the error
Answers (1)

Waijung 2 works with Matlab R2020a and later.
For more information please visit Waijung 2 documentation portal.