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What version did you discover this error on. I think this report is a joke because I tried it myself and nothing happened

@unknown, this is actually an issue in the latest snapshot, 21w03a! 🙂

This has actually already been resolved as Fixed for the next snapshot, and is tracked as MC-212117.

Additionally just to further inform you, you have posted this under the incorrect project section. In this ticket, I can see that this issue occurred whilst playing on Java Edition, and this relates to a different project section. With that being said, in the future please see the dashboard, so that you can report any more problems accordingly. Also if you were to do so, just remember to search for an existing report before creating a new ticket.