Project failure after several successes

I had a similar problem with my first ever project and I asked for help here. I ran the file again and everything worked fine so I didn’t really worry about it. However, I have run into almost the same issue again now. I have run this file over 20 times, with only one issue (I’m almost certain it was a user error where I did not tighten the nut on the router enough) and so I have gotten comfortable working on other things in my shop and not staring at my machine run its course. This time, something got screwed up but I have no idea what. I was working on something else when I realize that my Shapeoko was louder than usual, I turn around and see this. Since I wasn’t watching it directly, I’m not sure what happened exactly, but the Sweepy had come off (one of the screws popped out) and there was a pile of sawdust on the workpiece since my vacuum had filled. Here is my code moonbowl_v5.nc (1.4 MB)
Any ideas on what happened and how to prevent it from happening again?

Thanks,
Ali Ghafuri

No vacuum = chips stuck in path = too much force = stepper skipped steps.

Maintain your dust collection.

Also, check your pulley set screws because there’s always a good chance they’re the problem.

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