Problem to engrave and cut after reinstalling lightburn

Hello everyone,
I recently changed my PC and after reinstalling Lightburn and configuring my Creality Falcon 2 22W, there is no longer any way to burn or cut anything.
homing works, it does the framing correctly, but when I start engraving/cutting, I get this message.
I tested with an old .gc file from my old PC and it works.
I checked the settings several times, but I can’t find what’s wrong.
Do you have an idea ?

What message?
As a start check your settins


.
Also you could export the prefs bundle from your old PC and import in the new.