Lightburn not finishing job

I recently upgraded Lightburn to 17.03 and added the pro license due to getting a fiber laser. I also have a diode laser. I have been getting use to the fiber laser and wanted to go back to the diode and do a project which i have done multiple time with no problem. After i loaded my project and changed lasers i cannot get it to complete a job, it keeps giving me this error. error:1
G-code words consist of a letter and a value. Letter was not found.
On or near line 0:
Job halted
Stream completed in 0:17

Please help

So i found the culprit. Do not use usb hub or extension usb cable. Took that out and it is working.

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