Welcome. We are here to help. We are also going to need you to share a bit more before we can provide some useful direction.
Start with, what motion control system are you using, which OS are you running and what version of LightBurn. If you are willing, post this LightBurn file.
Not trying to push back or come off as a jerk, but I have to ask, what did you change? When thinking about the last time you ran this job successfully, what might have changed? If you can share the thinking around this, it might help.
When thinking about the last time you ran this job successfully, what might have changed? If you can share the thinking around this, it might help.