Arduino Uno CNC Shield on Mac Catalina

Hello,
I am trying to use the Lightburn trial with Arduino Uno (GBRL 1.1g) CNC Shield
on Mac with Catalina Installed. Lightburn doesn’t recognized Arduino and the program stop indicating there were an issue.
Anyone can help ? I believe Lightburn could be the right software but I need to try it.

Thank you

Giovanni Lanza

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