Scuplfun s9 lightburn random cut

Anyone know how can i prevent this error? This test cut ithink give me an headache this randomly show some of my engrave. I waste materials

Cut show “ you are liv” whatever it is


Please buy a legal license of Lightburn.

This text shows that your license is not valid, nor is your software.

had you allowed it to finish this is what would have engraved
image

thank you!