[Bug]:"Server performance will be affected"

[AhmetGayaReal]

/mv version -p output

https://paste.gg/4b1f4accbb264369adbb737b81fa793e

Server logs

https://paste.gg/p/anonymous/3d7d52dc2e694f37b89ffb52c4eafe88

Server Version

1.16.5 paper

Bug Description

high use cpu

Steps to reproduce

1. start server
2. error in console
   3.high cpu ussage

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.

[AhmetGayaReal]

[Multiverse-Core] "Multiverse-Core v4.3.12" has registered a listener for org.bukkit.event.entity.EntityCreatePortalEvent on method "public void com.onarandombox.MultiverseCore.listeners.MVPortalListener.entityPortalCreate(org.bukkit.event.entity.EntityCreatePortalEvent)", but the event is Deprecated. "Server performance will be affected"; please notify the authors [dumptruckman, Rigby, fernferret, lithium3141, main--].

[zax71]

Duplicate of #2000