"allow-unsafe-end-portal-teleportation" don't working

[AluoExpiry]

Expected behavior

sand duplicator it's working

Observed/Actual behavior

sand duplicator don't working. But it works as expected on a vanilla multiplayer server.

Steps/models to reproduce

build a sand duplicator or download this world: https%3A%2F%2Fwww.mediafire.com%2Ffile%2Fzqkh8oq7jujdou0%2FMax%2BEfficiency%2BSand%2BDuper.zip%2Ffile&v=lCYR2FN20lk

Plugin and Datapack List

BoundlessForging-1.0-SNAPSHOT CleanPing ColorfulChat-2.1 LagFixer LuckPerms-Bukkit-5.4.116 PlayerDoll-1.29 tabtps-spigot-1.3.24

Paper version

1.21 build #37

Other