Sometimes players including me cannot enter my server, it keeps reporting “Fatal Error Occurred, this connection is terminated”, here is the error log on the console, what should I do? Server doesn’t crash, but players cannot connect in! valkyrie is an anticheat plugin in China which checks MD5 to ban undesirable client
[16:02:59] [Thread-76/ERROR] [FML/]: NetworkEventFiringHandler exception
java.lang.RuntimeException: PLAYER target expects a Player arg
at net.minecraftforge.fml.common.network.FMLOutboundHandler$OutboundTarget$4.validateArgs(FMLOutboundHandler.java:125) ~[FMLOutboundHandler$OutboundTarget$4.class:?]
at net.minecraftforge.fml.common.network.FMLOutboundHandler.write(FMLOutboundHandler.java:282) ~[FMLOutboundHandler.class:?]
at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:658) ~[AbstractChannelHandlerContext.class:?]
at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:716) ~[AbstractChannelHandlerContext.class:?]
at io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:706) ~[AbstractChannelHandlerContext.class:?]
at io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:741) ~[AbstractChannelHandlerContext.class:?]
at io.netty.channel.DefaultChannelPipeline.writeAndFlush(DefaultChannelPipeline.java:895) ~[DefaultChannelPipeline.class:?]
at io.netty.channel.AbstractChannel.writeAndFlush(AbstractChannel.java:240) ~[AbstractChannel.class:?]
at net.minecraftforge.fml.common.network.FMLEventChannel.sendTo(FMLEventChannel.java:160) [FMLEventChannel.class:?]
at com.ilummc.valkyrie.A.run(k:76) [A.class:?]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_151]
Something’s wrong in it’s code. Send it to the author