Spam error — Could not pass ClientPingServerEvent$Impl

[byrnane]

Using:
Minecraft 1.12.2
Forge on server&client 14.23.3.2690
Sponge 7.1.0-BETA-3112
Ultimatecore latest

System:
Allocated RAM: 3G
Windows 10
JRE 1.8.0_172

After some player left the game the server is starting to spam this error:
[Netty Server IO #2/ERROR] [Sponge]: Could not pass ClientPingServerEvent$Impl to Plugin{id=ultimatecore, name=UltimateCore, version=3.0.12, description=All you need to set up a server and more!, url=http://ultimatecore.org/index, authors=[Bammerbom], source=.\mods\UltimateCore.jar} java.lang.NoClassDefFoundError: dependencies/bammerbom/ultimatecore/net/minecrell/statusprotocol/StatusProtocol at bammerbom.ultimatecore.sponge.modules.serverlist.listeners.ServerlistListener.onMotdSend(ServerlistListener.java:99) ~[ServerlistListener.class:?] at org.spongepowered.common.event.listener.ClientPingServerEventListener_ServerlistListener_onMotdSend39.handle(Unknown Source) ~[?:?] at org.spongepowered.common.event.RegisteredListener.handle(RegisteredListener.java:95) ~[RegisteredListener.class:1.12.2-2690-7.1.0-BETA-3112] at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:374) [SpongeModEventManager.class:1.12.2-2690-7.1.0-BETA-3112] at org.spongepowered.mod.event.SpongeModEventManager.extendedPost(SpongeModEventManager.java:408) [SpongeModEventManager.class:1.12.2-2690-7.1.0-BETA-3112] at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:392) [SpongeModEventManager.class:1.12.2-2690-7.1.0-BETA-3112] at org.spongepowered.common.event.SpongeEventManager.post(SpongeEventManager.java:442) [SpongeEventManager.class:1.12.2-2690-7.1.0-BETA-3112] at org.spongepowered.common.SpongeImpl.postEvent(SpongeImpl.java:207) [SpongeImpl.class:1.12.2-2690-7.1.0-BETA-3112] at org.spongepowered.common.network.status.SpongeStatusResponse.call(SpongeStatusResponse.java:72) [SpongeStatusResponse.class:1.12.2-2690-7.1.0-BETA-3112] at org.spongepowered.common.network.status.SpongeStatusResponse.post(SpongeStatusResponse.java:55) [SpongeStatusResponse.class:1.12.2-2690-7.1.0-BETA-3112] at net.minecraft.server.network.NetHandlerStatusServer.func_147312_a(SourceFile:561) [pd.class:?] at net.minecraft.network.status.client.CPacketServerQuery.func_148833_a(SourceFile:23) [mw.class:?] at net.minecraft.network.status.client.CPacketServerQuery.func_148833_a(SourceFile:8) [mw.class:?] at net.minecraft.network.NetworkManager.channelRead0(NetworkManager.java:147) [gw.class:?] at net.minecraft.network.NetworkManager.channelRead0(NetworkManager.java:49) [gw.class:?] at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) [minecraft_server.1.12.2.jar:?] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?] at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?] at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [minecraft_server.1.12.2.jar:?] at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:267) [minecraft_server.1.12.2.jar:?] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?] at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?] at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [minecraft_server.1.12.2.jar:?] at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:267) [minecraft_server.1.12.2.jar:?] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?] at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?] at net.minecraft.network.LegacyPingHandler.channelRead(SourceFile:601) [ox.class:?] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?] at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?] at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:287) [minecraft_server.1.12.2.jar:?] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?] at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [minecraft_server.1.12.2.jar:?] at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) [minecraft_server.1.12.2.jar:?] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [minecraft_server.1.12.2.jar:?] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [minecraft_server.1.12.2.jar:?] at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) [minecraft_server.1.12.2.jar:?] at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:134) [minecraft_server.1.12.2.jar:?] at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:624) [minecraft_server.1.12.2.jar:?] at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:559) [minecraft_server.1.12.2.jar:?] at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:476) [minecraft_server.1.12.2.jar:?] at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:438) [minecraft_server.1.12.2.jar:?] at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) [minecraft_server.1.12.2.jar:?] at java.lang.Thread.run(Unknown Source) [?:1.8.0_172] Caused by: java.lang.ClassNotFoundException: dependencies.bammerbom.ultimatecore.net.minecrell.statusprotocol.StatusProtocol at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.12.jar:?] at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_172] at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_172] ... 48 more Caused by: java.lang.NullPointerException

Full log is here

[gutasiadam]

Same here!

[sintaxcz]

Same Spam on forge 2705 and sponge 1.12.2-2705-7.1.0-BETA-3361 with UltimateCore v3.0.12