Game crahed when Join

My Friend whas Joining of my Forge 1.7.10 Server! and was kicked fromm the server heres the error code:

[01:15:10] [Server thread/INFO]: LegendBlueboy joined the game

[01:15:10] [Server thread/WARN] [FML]: [Baubles API] Could not invoke baubles.common.lib.PlayerHandler method getPlayerBaubles

[01:15:19] [Netty IO #1/ERROR] [FML]: NetworkDispatcher exception

java.io.IOException: Connection reset by peer

at sun.nio.ch.FileDispatcherImpl.read0(Native Method) ~[?:1.8.0_212]

at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39) ~[?:1.8.0_212]

at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223) ~[?:1.8.0_212]

at sun.nio.ch.IOUtil.read(IOUtil.java:192) ~[?:1.8.0_212]

at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:380) ~[?:1.8.0_212]

at io.netty.buffer.UnpooledUnsafeDirectByteBuf.setBytes(UnpooledUnsafeDirectByteBuf.java:436) ~[UnpooledUnsafeDirectByteBuf.class:?]

at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:870) ~[AbstractByteBuf.class:?]

at io.netty.channel.socket.nio.NioSocketChannel.doReadBytes(NioSocketChannel.java:208) ~[NioSocketChannel.class:?]

at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:87) [AbstractNioByteChannel$NioByteUnsafe.class:?]

at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:480) [NioEventLoop.class:?]

at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:447) [NioEventLoop.class:?]

at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:341) [NioEventLoop.class:?]

at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:101) [SingleThreadEventExecutor$2.class:?]

at java.lang.Thread.run(Thread.java:748) [?:1.8.0_212]

[01:15:19] [Server thread/INFO]: LegendBlueboy lost connection: TranslatableComponent{key='disconnect.genericReason', args=[Internal Exception: java.io.IOException: Connection reset by peer], siblings=[], style=Style{hasParent=false, color=null, bold=null, italic=null, underlined=null, obfuscated=null, clickEvent=null, hoverEvent=null}}

[01:15:19] [Server thread/INFO]: LegendBlueboy left the game

[01:15:51] [Server thread/INFO] [STDOUT]: [com.gildedgames.util.core.UtilCore:debugPrint:261]: [GG DEV]: Flushing data for GG Util

[01:15:51] [Server thread/INFO] [STDOUT]: [com.gildedgames.util.core.UtilCore:debugPrint:261]: [GG DEV]: Finished flushing data for GG Util

Plz Help