[MC-122083] /gamerule GameLoopFunction bugged out in 1.12.2

I'm trying to finish a map project before I move on to the snapshots, but a bug has been occurred, stopping me from looping any function. As you can see from the screenshot, the gamerule itself seems to be bugged out, showing up 2 separate gamerules when tab completed. I'm not able to tab complete functions as well, contrary to /function, which I can. This not only whappens in one world, but this happens in fresh new worlds as well.

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pokechu22 2017-11-19T06:18:57Z

You created 2 new gamerules, one named GameLoopFunction and one GameLoopfunction. The correct name (case-sensitive) is gameLoopFunction, which should work correctly. If it does not, please let me know and I'll reopen the issue.

The ability to create new gamerules accidently is definitely a source of confusion – and it is planned for removal in 1.13 (might have already happened, I don't remember completely).

CivetKitty 2017-11-19T06:37:35Z

How can I remove the custom gamerule?

pokechu22 2017-11-19T06:49:14Z

I'm not entirely sure, actually. You might need to use an NBT editor to manually delete the tags for the rules in the world's level.dat.