[account42]

> As a software developer fixing stuff like this is only possible if you can reproduce it or otherwise get logs, telemetry and similar things, otherwise it is pretty much just guesswork.

As a software developer you should be able to reason about your code and work backwards from the observed result to investigate possible causes.

When a plane crashes or bridge collapses the engineers tasked with finding the cause don't just throw up their hands if they can't make it happen again.