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When you can’t reproduce a bug locally, it’s tempting to just try random fixes and pray. Resist the temptation!
Some ways to get information: - try to reproduce the environment where it happened - ask for screenshots / screen recordings - add more logging, deploy your code, and repeat until you understand what caused the bug - read the code VERY VERY carefully (incredibly boring but it actually does work sometimes) - do your experimentation somewhere where you can reproduce the bug (on a staging server? on someone else’s computer?)