<while i made plugin with kotiln this error occur ...

# stackoverflow

[user]

while i made plugin with kotiln this error occur but i dont know what is the problem in running server
this is the code
package com.github.noonmaru.aimless.plugin

import com.comphenix.protocol.PacketType
import com.comphenix.protocol.ProtocolLibrary
import com.comphenix.protocol.events.PacketContainer
import com.comphenix.protocol.wrappers.EnumWrappers
import com.comphenix.protocol.wrappers.PlayerInfoData
import com.comphenix.protocol.wrappers.WrappedChatComponent
import com.comphenix.protocol.wrappers.WrappedGameProfile
import org.bukkit.Bukkit
import org.bukkit.entity.Player

object...