19:13:48 WARN]: [com.github.retrooper.packetevents.PacketEventsAPI] PacketEvents caught an unhandled exception while calling your listener.
java.util.ConcurrentModificationException: null
at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:1095) ~[?:?]
at java.util.ArrayList$Itr.next(ArrayList.java:1049) ~[?:?]
at me.xginko.aef.modules.patches.AntiMapPlayerTracking.onPacketSend(AntiMapPlayerTracking.java:78) ~[?:?]
at com.github.retrooper.packetevents.event.PacketListener$1.onPacketSend(PacketListener.java:46) ~[?:?]
at com.github.retrooper.packetevents.event.PacketSendEvent.call(PacketSendEvent.java:51) ~[?:?]
at com.github.retrooper.packetevents.event.EventManager.callEvent(EventManager.java:84) ~[?:?]
at com.github.retrooper.packetevents.util.PacketEventsImplHelper.handleClientBoundPacket(PacketEventsImplHelper.java:61) ~[?:?]
at io.github.retrooper.packetevents.injector.handlers.PacketEventsEncoder.handleClientBoundPacket(PacketEventsEncoder.java:102) ~[?:?]
at io.github.retrooper.packetevents.injector.handlers.PacketEventsEncoder.write(PacketEventsEncoder.java:134) ~[?:?]
at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:717) ~[patched_1.12.2.jar:git-Dionysus-"8d3095e"]
at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:709) ~[patched_1.12.2.jar:git-Dionysus-"8d3095e"]
at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:792) ~[patched_1.12.2.jar:git-Dionysus-"8d3095e"]
at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:702) ~[patched_1.12.2.jar:git-Dionysus-"8d3095e"]
at io.netty.handler.codec.MessageToByteEncoder.write(MessageToByteEncoder.java:113) ~[patched_1.12.2.jar:git-Dionysus-"8d3095e"]
at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:717) ~[patched_1.12.2.jar:git-Dionysus-"8d3095e"]
at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:709) ~[patched_1.12.2.jar:git-Dionysus-"8d3095e"]
at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:792) ~[patched_1.12.2.jar:git-Dionysus-"8d3095e"]
at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:702) ~[patched_1.12.2.jar:git-Dionysus-"8d3095e"]
at io.netty.handler.codec.MessageToByteEncoder.write(MessageToByteEncoder.java:120) ~[patched_1.12.2.jar:git-Dionysus-"8d3095e"]
at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:717) ~[patched_1.12.2.jar:git-Dionysus-"8d3095e"]
at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:709) ~[patched_1.12.2.jar:git-Dionysus-"8d3095e"]
at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:792) ~[patched_1.12.2.jar:git-Dionysus-"8d3095e"]
at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:702) ~[patched_1.12.2.jar:git-Dionysus-"8d3095e"]
at io.netty.channel.ChannelDuplexHandler.write(ChannelDuplexHandler.java:115) ~[patched_1.12.2.jar:git-Dionysus-"8d3095e"]
at me.neznamy.tab.shared.features.injection.NettyPipelineInjector$TabChannelDuplexHandler.write(NettyPipelineInjector.java:81) ~[?:?]
at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:717) ~[patched_1.12.2.jar:git-Dionysus-"8d3095e"]
at io.netty.channel.AbstractChannelHandlerContext.invokeWriteAndFlush(AbstractChannelHandlerContext.java:764) ~[patched_1.12.2.jar:git-Dionysus-"8d3095e"]
at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:790) ~[patched_1.12.2.jar:git-Dionysus-"8d3095e"]
at io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:758) ~[patched_1.12.2.jar:git-Dionysus-"8d3095e"]
at io.netty.channel.DefaultChannelPipeline.writeAndFlush(DefaultChannelPipeline.java:1020) ~[patched_1.12.2.jar:git-Dionysus-"8d3095e"]
at io.netty.channel.AbstractChannel.writeAndFlush(AbstractChannel.java:311) ~[patched_1.12.2.jar:git-Dionysus-"8d3095e"]
at com.comphenix.protocol.injector.netty.channel.NettyChannelProxy.writeAndFlush(NettyChannelProxy.java:227) ~[?:?]
at com.comphenix.protocol.injector.netty.channel.NettyChannelProxy.writeAndFlush(NettyChannelProxy.java:233) ~[?:?]
at net.minecraft.server.v1_12_R1.NetworkManager.lambda$writePacket$3(NetworkManager.java:332) ~[patched_1.12.2.jar:git-Dionysus-"8d3095e"]
at com.comphenix.protocol.injector.netty.channel.NettyEventLoopProxy.lambda$proxyRunnable$2(NettyEventLoopProxy.java:49) ~[?:?]
at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174) ~[patched_1.12.2.jar:git-Dionysus-"8d3095e"]
at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167) ~[patched_1.12.2.jar:git-Dionysus-"8d3095e"]
at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470) ~[patched_1.12.2.jar:git-Dionysus-"8d3095e"]
at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:391) ~[patched_1.12.2.jar:git-Dionysus-"8d3095e"]
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:995) ~[patched_1.12.2.jar:git-Dionysus-"8d3095e"]
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[patched_1.12.2.jar:git-Dionysus-"8d3095e"]
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[patched_1.12.2.jar:git-Dionysus-"8d3095e"]
at java.lang.Thread.run(Thread.java:1583) ~[?:?]