/mv version -p output

https://paste.gg/6512f7381f004e66a43014d215f1ee8d

Server logs

https://paste.gg/p/anonymous/0e1c79829fec4c6ba3a101740fd6cffc

Server Version

This server is running Paper version git-Paper-45 (MC: 1.20.1) (Implementing API version 1.20.1-R0.1-SNAPSHOT) (Git: b169678)
You are 4 version(s) behind
Download the new version at: https://papermc.io/downloads/paper
Previous version: git-Paper-17 (MC: 1.20)

Bug Description

When I go to world2 with any items its ok but if I go from world2 to world1 all items I get in world2 just wanished even if I go back to that world but items I brought from world1 can go to world2 and back without problem.

Steps to reproduce

I dont know, I didnt restart the server whole time even didnt change any config or setting throught command. It just happened..

There is video showing what happens
https://youtu.be/opArpcVnCTA

Agreements

• I have searched for and ensured there isn't already an open or resolved issue(s) regarding this.
• I was able to reproduce my issue on a freshly setup and up-to-date server with the latest version of Multiverse plugins with no other plugins and with no kinds of other server or client mods.