Describe the bug you're experiencing

Tried to dupe the dragon egg with fences below the portal, when the egg enter the portal, when i go to the end to collect it, it disappears.
P.S: It works once and then stops working

Reproducability

Attempt to dupe the Dragon Egg more than once with any version of Better Chunk Loading after 4.0 in Minecraft 1.20.1

Mod up to date

• Before submitting this issue I updated to the newest version and reproduced it

Minecraft version

1.20.1

Modloader version

Forge

Logs

https://gist.github.com/AndreCelso/78fcaf7cbfce7c53af0cb1c28babb509

Its probably because betterchunkloading is a bit lazier with unloading and does unload right away. Anyway I've got no intention to support dupes, even if they're present in vanilla so not gonna fix this