> 12:00:03 [SEVERE] [uCore] Unhandled exception occured in onPacketSending(PacketEvent) for uCore
java.lang.UnsupportedOperationException: The method getWorld is not supported for temporary players.
at com.comphenix.protocol.injector.server.TemporaryPlayerFactory$1.intercept(TemporaryPlayerFactory.java:141)
at com.comphenix.protocol.injector.server.InjectorContainer$$EnhancerByCGLIB$$8b562f88.getWorld(<generated>)
at me.kangarko.ucore.packets.PacketListener$1.onPacketSending(PacketListener.java:26)
at com.comphenix.protocol.injector.SortedPacketListenerList.invokeSendingListener(SortedPacketListenerList.java:196)
at com.comphenix.protocol.injector.SortedPacketListenerList.invokePacketSending(SortedPacketListenerList.java:150)
at com.comphenix.protocol.injector.PacketFilterManager.handlePacket(PacketFilterManager.java:550)
at com.comphenix.protocol.injector.PacketFilterManager.invokePacketSending(PacketFilterManager.java:525)
at com.comphenix.protocol.injector.spigot.SpigotPacketInjector.packetQueued(SpigotPacketInjector.java:473)
at com.comphenix.protocol.injector.spigot.SpigotPacketInjector.packetQueued(SpigotPacketInjector.java:453)
at com.comphenix.protocol.injector.spigot.SpigotPacketInjector$2.intercept(SpigotPacketInjector.java:214)
at org.spigotmc.netty.PacketListener$$EnhancerByCGLIB$$f038c4d4.packetQueued(<generated>)
at org.spigotmc.netty.PacketListener.callQueued(PacketListener.java:73)
at org.spigotmc.netty.NettyNetworkManager.queue(NettyNetworkManager.java:177)
at net.minecraft.server.v1_6_R3.PendingConnection.a(PendingConnection.java:110)
at net.minecraft.server.v1_6_R3.PacketPingTime.handle(PacketPingTime.java:36)
at org.spigotmc.netty.NettyNetworkManager.b(NettyNetworkManager.java:237)
at net.minecraft.server.v1_6_R3.PendingConnection.d(PendingConnection.java:58)
at org.spigotmc.netty.NettyServerConnection.b(NettyServerConnection.java:138)
at net.minecraft.server.v1_6_R3.MinecraftServer.t(MinecraftServer.java:604)
at net.minecraft.server.v1_6_R3.DedicatedServer.t(DedicatedServer.java:240)
at net.minecraft.server.v1_6_R3.MinecraftServer.s(MinecraftServer.java:493)
at net.minecraft.server.v1_6_R3.MinecraftServer.run(MinecraftServer.java:425)
at net.minecraft.server.v1_6_R3.ThreadServerApplication.run(SourceFile:583)
> 12:00:03 [SEVERE] Parameters:
net.minecraft.server.v1_6_R3.PacketPingTime@543e1cbd[
l=9296717
m=<null>
timestamp=1383822003778
lowPriority=false
packetID=0
]