Error

[14:13:10] [Server thread/INFO] [STDOUT]: [com.mujmajnkraft.bettersurvival.eventhandlers.ModWeaponHandler:onEvent:184]: null
[14:13:12] [Server thread/INFO] [STDOUT]: [com.mujmajnkraft.bettersurvival.eventhandlers.ModWeaponHandler:onEvent:184]: null
[14:13:00] [Server thread/INFO] [bountifulbaubles]: Attempting to sync config to player CuzImNando
[14:13:01] [Server thread/INFO] [STDOUT]: [com.lycanitesmobs.LycanitesMobs:printInfo:272]: [LycanitesMobs] [Info] [] Online donations file read successfully.
[14:13:02] [Server thread/WARN] [minecraft/WorldServer]: Keeping entity minecraft:bat that already exists with UUID 4b0072ec-2ead-4d93-8c92-9448c5c87120
[14:13:09] [Server thread/WARN] [minecraft/MinecraftServer]: Can't keep up! Did the system time change, or is the server overloaded? Running 8174ms behind, skipping 163 tick(s)
[14:13:10] [Server thread/INFO] [STDOUT]: [com.mujmajnkraft.bettersurvival.eventhandlers.ModWeaponHandler:onEvent:184]: null
[14:13:12] [Server thread/INFO] [STDOUT]: [com.mujmajnkraft.bettersurvival.eventhandlers.ModWeaponHandler:onEvent:184]: null
[14:13:55] [Netty Server IO #2/ERROR] [FML]: NetworkDispatcher exception
java.io.IOException: Die Verbindung wurde vom Kommunikationspartner zurückgesetzt
        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.PooledUnsafeDirectByteBuf.setBytes(PooledUnsafeDirectByteBuf.java:288) ~[PooledUnsafeDirectByteBuf.class:?]
        at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:1100) ~[AbstractByteBuf.class:?]
        at io.netty.channel.socket.nio.NioSocketChannel.doReadBytes(NioSocketChannel.java:372) ~[NioSocketChannel.class:?]
        at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:123) [AbstractNioByteChannel$NioByteUnsafe.class:?]
        at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:624) [NioEventLoop.class:?]
        at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:559) [NioEventLoop.class:?]
        at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:476) [NioEventLoop.class:?]
        at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:438) [NioEventLoop.class:?]
        at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) [SingleThreadEventExecutor$5.class:?]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_212]
[14:13:56] [Server thread/INFO] [minecraft/NetHandlerPlayServer]: CuzImNando lost connection: Internal Exception: java.io.IOException: Die Verbindung wurde vom Kommunikationspartner zurückgesetzt
[14:13:56] [Server thread/INFO] [minecraft/DedicatedServer]: CuzImNando left the game