Lightburn crashes during camera calibration on MacOS El Capitan 10.11.6

I’m running the latest lightburn 1.4.05 on a Macbook Pro mid 2009 (OS X El Capitan). The camera was pre installed for me from the factory on my Thunder Laser Nova 24. Lightburn keeps crashing when I start the camera calibration. The laser will be about to start engraving the pattern (laser head getting to start position, exhaust fan running, air assist running), but never started the job and lightburn just stays hanging. I had to force quit lightburn. Tried restart my laptop and my machine and redo everything but still the same. BTW this also happened when I tried to make material test directly from lightburn. Please see the crash report attached. Thank you very much in advance.

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