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The Best Error Ever: Firebase Errors for Humans for Humans. Jonathan Fries is working on a system for positive behavioral recognition and metrics using Firebase and React. Firebase error takes that level of customer service to a new level: here's your problem, here's how to fix it, and here's a link that will basically fix it for you. The error system handling system had to be built smart enough to make it all work. It makes good developers better and faster, and makes new developers far more productive than they would be if you didn't have it.