GCAM runtime interrupted for unknown reason and displayed 'Please press any key to continue'

[PineBirch]

I am a new user of GCAM 7.1. When I was running GCAM, it interrupted for an unknown reason and displayed 'Please press any key to continue'. What caused this?

I used PC to run GCAM, and the RAM is 32G with CPU 13th Gen Intel(R) Core(TM) i7-13700 2.10 GHz