i install a mod that says that work in 1.16.3 and 1.16.2

Thank you for your report!
However, this report is Invalid.

Your game is modified.
If you can reproduce the issue in a vanilla game environment, please create a new ticket - this is a bug tracker for the game, and not a support website.

Any issues occurring from game modifications need to be taken up with the appropriate team, not Mojang Studios or the Bugtracker.

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