If I run the command /ban [My username] I can ban myself from a world.
This causes Minecraft to lag and eventually crash.
I have searched for this issue and it seems no one has reported this.
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pokechu22
migrated
Duplicate of MC-121636. For reference: I had seen the previous report, so I vaguely could guess at the title for searching; I searched for
server commands singleplayerand found it.