Помогите Консоль, ошибка.

[13:41:19 ERROR]: Could not pass event ServerListPingEvent to PingMOTD v1.2.0
org.bukkit.event.EventException: null
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja
va:306) ~[server.jar:git-Spigot-3d850ec-809c399]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.jav
a:62) ~[server.jar:git-Spigot-3d850ec-809c399]
at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.j
ava:500) [server.jar:git-Spigot-3d850ec-809c399]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.j
ava:485) [server.jar:git-Spigot-3d850ec-809c399]
at net.minecraft.server.v1_12_R1.PacketStatusListener.a(PacketStatusList
ener.java:101) [server.jar:git-Spigot-3d850ec-809c399]
at net.minecraft.server.v1_12_R1.PacketStatusInStart.a(SourceFile:23) [s
erver.jar:git-Spigot-3d850ec-809c399]
at net.minecraft.server.v1_12_R1.PacketStatusInStart.a(SourceFile:8) [se
rver.jar:git-Spigot-3d850ec-809c399]
at net.minecraft.server.v1_12_R1.NetworkManager.a(NetworkManager.java:12
6) [server.jar:git-Spigot-3d850ec-809c399]
at net.minecraft.server.v1_12_R1.NetworkManager.channelRead0(NetworkMana
ger.java:330) [server.jar:git-Spigot-3d850ec-809c399]
at net.minecraft.server.v1_12_R1.NetworkManager.channelRead0(NetworkMana
ger.java:1) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChanne
lInboundHandler.java:105) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(Abst
ractChannelHandlerContext.java:362) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(Abst
ractChannelHandlerContext.java:348) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(Abstra
ctChannelHandlerContext.java:340) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessage
Decoder.java:288) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(Abst
ractChannelHandlerContext.java:362) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(Abst
ractChannelHandlerContext.java:348) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(Abstra
ctChannelHandlerContext.java:340) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMes
sageDecoder.java:310) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessage
Decoder.java:284) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(Abst
ractChannelHandlerContext.java:362) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(Abst
ractChannelHandlerContext.java:348) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(Abstra
ctChannelHandlerContext.java:340) [server.jar:git-Spigot-3d850ec-809c399]
at com.comphenix.protocol.injector.netty.ChannelInjector$4.channelRead(C
hannelInjector.java:263) [ProtocolLib.jar:4.3.0]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(Abst
ractChannelHandlerContext.java:362) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(Abst
ractChannelHandlerContext.java:348) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(Abstra
ctChannelHandlerContext.java:340) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMes
sageDecoder.java:310) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessage
Decoder.java:284) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(Abst
ractChannelHandlerContext.java:362) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(Abst
ractChannelHandlerContext.java:348) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(Abstra
ctChannelHandlerContext.java:340) [server.jar:git-Spigot-3d850ec-809c399]
at net.minecraft.server.v1_12_R1.LegacyPingHandler.channelRead(SourceFil
e:94) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(Abst
ractChannelHandlerContext.java:362) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(Abst
ractChannelHandlerContext.java:348) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(Abstra
ctChannelHandlerContext.java:340) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandle
r.java:286) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(Abst
ractChannelHandlerContext.java:362) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(Abst
ractChannelHandlerContext.java:348) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(Abstra
ctChannelHandlerContext.java:340) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(Defau
ltChannelPipeline.java:1359) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(Abst
ractChannelHandlerContext.java:362) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(Abst
ractChannelHandlerContext.java:348) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChanne
lPipeline.java:935) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(Abstra
ctNioByteChannel.java:138) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.jav
a:645) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEve
ntLoop.java:580) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.ja
va:497) [server.jar:git-Spigot-3d850ec-809c399]
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:459) [server.
jar:git-Spigot-3d850ec-809c399]
at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThread
EventExecutor.java:858) [server.jar:git-Spigot-3d850ec-809c399]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_161]
Caused by: java.lang.IllegalArgumentException: bound must be positive
at java.util.Random.nextInt(Unknown Source) ~[?:1.8.0_161]
at me.pingmotd.Main.ServerPing(Main.java:27) ~[?:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0
_161]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0
_161]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1
.8.0_161]
at java.lang.reflect.Meth...