Mac mini roon core won't launch after install

I am trying to load roon core onto my Mac mini and it will not launch. I tried the command stated in the install guide and checked the arial setting it still will not open.

Thank you for the help.

The Mac mini is new.

Mac mini is new Core i5 2.6GHz *gb memory 1TB hard drive. Just purchased today

Do you mean one of the latest 2018 macmini? You might need to do some work to enable Roon in Mojave if this is the case.

What version of Roon did you install. The full Roon or Roon Server!