[00:38:14] [Server thread/WARN]: [Multiverse-Core] "Multiverse-Core v4.2.2-b812" 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--].

Not an issue.

Because I don’t know why the creatures on my server can’t lead to the gate of hell