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I had an unusual experience while running my S1. I had a large project I was running 4:24:09 and with only an hour and a half left it stopped working, no error code only a “You need to certificate” prompt.  As frustrating as it was, followed that instructions, tried to restart and not only was it moving slower, the module didn't turn on. I wasn't able to keep on working or even start over again. I have never had this issue and have been up and running for over a year. I've kept up the maintenance and have ran several projects on the machine with no issue. I'm working with anodized aluminum and have done several detailed projects with no issue. I do not know what else I can do. Has anyone else ran into this issue?