Just stumbled onto this article. I was literally yesterday wondering about a way for a machine to report an error to an op over the internet.
Well, this does that plus it’s like a bar inventory software like Accubar which tells you what has been sold and how much you’re making on each bottle (game)
https://www.fastcompany.com/90369134/inside-the-race-to-finally-bring-pinball-into-the-internet-era