When you teleport a minecart with a player inside to a place outside the current loaded chunks, it gets stuck with a "continuous back and forward teleport", but player coordinates are still in a point between the origin and the desination of the teleport. You can't get off rhe minecart and it doesn't exist (/kill doesn't find a minecart) but if you teleport the player, he will appear to relative 0 0 0, he will appear in the origin point.
MC-165494
Minecarts with players get stuck when teleported to unloaded chunks
Resolved
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This issue has been closed as invalid.
Your game, launcher or server is modified.
If you can reproduce the issue in a vanilla environment, please recreate the issue.
Any non-standard client/server/launcher build needs to be taken up with the appropriate team, not Mojang.
Any plugin issues need to be addressed to the creator of the plugin or resource pack.
If you have problems on large servers, such as The Hive and Hypixel, please contact them first as they run modified server software.
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