Помогите что за ошибка в кансоли,иза этого сервер жостко лагает
версия 1.5.2
2016-01-21 23:22:56 [SEVERE] Error whilst firing queued hook for packet java.lang.NullPointerException at org.bukkit.craftbukkit.v1_5_R3.util.LongHashSet.add(LongHashSet.java:89) at org.bukkit.craftbukkit.v1_5_R3.util.LongHashSet.add(LongHashSet.java:85) at com.bergerkiller.bukkit.common.wrappers.LongHashSet.add(LongHashSet.java:32) at com.bergerkiller.bukkit.common.internal.CommonPlayerMeta.setChunksAsVisible(CommonPlayerMeta.java:62) at com.bergerkiller.bukkit.common.internal.CommonPacketMonitor.onMonitorPacketSend(CommonPacketMonitor.java:36) at com.bergerkiller.bukkit.common.internal.network.PacketHandlerHooked.handlePacketSendMonitor(PacketHandlerHooked.java:342) at com.bergerkiller.bukkit.common.internal.network.PacketHandlerHooked.handlePacketSend(PacketHandlerHooked.java:334) at com.bergerkiller.bukkit.common.internal.network.SpigotPacketHandler$SpigotPacketListener.packetQueued(SpigotPacketHandler.java:154) at org.spigotmc.netty.PacketListener.callQueued(PacketListener.java:73) at org.spigotmc.netty.NettyNetworkManager.queue(NettyNetworkManager.java:168) at net.minecraft.server.v1_5_R3.PlayerConnection.sendPacket(PlayerConnection.java:747) at net.minecraft.server.v1_5_R3.EntityPlayer.l_(EntityPlayer.java:197) at net.minecraft.server.v1_5_R3.World.entityJoinedWorld(World.java:1457) at net.minecraft.server.v1_5_R3.WorldServer.entityJoinedWorld(WorldServer.java:624) at net.minecraft.server.v1_5_R3.World.playerJoinedWorld(World.java:1432) at net.minecraft.server.v1_5_R3.World.tickEntities(World.java:1304) at net.minecraft.server.v1_5_R3.WorldServer.tickEntities(WorldServer.java:522) at net.minecraft.server.v1_5_R3.MinecraftServer.r(MinecraftServer.java:562) at net.minecraft.server.v1_5_R3.DedicatedServer.r(DedicatedServer.java:227) at net.minecraft.server.v1_5_R3.MinecraftServer.q(MinecraftServer.java:472) at net.minecraft.server.v1_5_R3.MinecraftServer.run(MinecraftServer.java:404) at net.minecraft.server.v1_5_R3.ThreadServerApplication.run(SourceFile:573)
