So I keep getting this error in my console and it doing it all the time 
[08:06:22] [Server thread/ERROR]: [HolographicDisplays] Unhandled exception occured in onPacketSending(PacketEvent) for HolographicDisplays
java.lang.NoClassDefFoundError: Could not initialize class com.comphenix.protocol.wrappers.WrappedDataWatcher$WrappedDataWatcherObject
at com.comphenix.protocol.wrappers.WrappedWatchableObject.getWatcherObject(WrappedWatchableObject.java:72) ~[ProtocolLib.jar:4.0.1-b291]
at com.comphenix.protocol.wrappers.WrappedWatchableObject.getIndex(WrappedWatchableObject.java:80) ~[ProtocolLib.jar:4.0.1-b291]
at com.gmail.filoghost.holographicdisplays.bridge.protocollib.pre1_9.ProtocolLibHookImpl$1.onPacketSending(ProtocolLibHookImpl.java:157) ~[HolographicDisplays.jar:?]
at com.comphenix.protocol.injector.SortedPacketListenerList.invokeSendingListener(SortedPacketListenerList.java:195) [ProtocolLib.jar:4.0.1-b291]
at com.comphenix.protocol.injector.SortedPacketListenerList.invokePacketSending(SortedPacketListenerList.java:149) [ProtocolLib.jar:4.0.1-b291]
at com.comphenix.protocol.injector.PacketFilterManager.handlePacket(PacketFilterManager.java:608) [ProtocolLib.jar:4.0.1-b291]
at com.comphenix.protocol.injector.PacketFilterManager.invokePacketSending(PacketFilterManager.java:584) [ProtocolLib.jar:4.0.1-b291]
at com.comphenix.protocol.injector.netty.ProtocolInjector.packetQueued(ProtocolInjector.java:309) [ProtocolLib.jar:4.0.1-b291]
at com.comphenix.protocol.injector.netty.ProtocolInjector.onPacketSending(ProtocolInjector.java:269) [ProtocolLib.jar:4.0.1-b291]
at com.comphenix.protocol.injector.netty.ChannelInjector.processSending(ChannelInjector.java:396) [ProtocolLib.jar:4.0.1-b291]
at com.comphenix.protocol.injector.netty.ChannelInjector.access$500(ChannelInjector.java:77) [ProtocolLib.jar:4.0.1-b291]
at com.comphenix.protocol.injector.netty.ChannelInjector$5.handleScheduled(ChannelInjector.java:362) [ProtocolLib.jar:4.0.1-b291]
at com.comphenix.protocol.injector.netty.ChannelInjector$5.onMessageScheduled(ChannelInjector.java:330) [ProtocolLib.jar:4.0.1-b291]
at com.comphenix.protocol.injector.netty.ChannelProxy$2.schedulingRunnable(ChannelProxy.java:127) [ProtocolLib.jar:4.0.1-b291]
at com.comphenix.protocol.injector.netty.EventLoopProxy.execute(EventLoopProxy.java:95) [ProtocolLib.jar:4.0.1-b291]
at net.minecraft.server.v1_8_R3.NetworkManager.a(NetworkManager.java:192) [spigot.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.NetworkManager.handle(NetworkManager.java:141) [spigot.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.PlayerConnection.sendPacket(PlayerConnection.java:911) [spigot.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.EntityTrackerEntry.broadcast(EntityTrackerEntry.java:304) [spigot.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.EntityTrackerEntry.broadcastIncludingSelf(EntityTrackerEntry.java:310) [spigot.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.EntityTrackerEntry.b(EntityTrackerEntry.java:277) [spigot.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.EntityTrackerEntry.track(EntityTrackerEntry.java:203) [spigot.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.EntityTracker.updatePlayers(EntityTracker.java:177) [spigot.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:863) [spigot.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:378) [spigot.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:713) [spigot.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:616) [spigot.jar:git-PaperSpigot-"8b18730"]
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_91]
[08:06:22] [Server thread/ERROR]: Parameters:
net.minecraft.server.v1_8_R3.PacketPlayOutEntityMetadata@382450c3[
a=167
b=[net.minecraft.server.v1_8_R3.DataWatcher$WatchableObject@1f7d6255, net.minecraft.server.v1_8_R3.DataWatcher$WatchableObject@716dd2a3, net.minecraft.server.v1_8_R3.DataWatcher$WatchableObject@29b42e2, net.minecraft.server.v1_8_R3.DataWatcher$WatchableObject@4b8a0f20, net.minecraft.server.v1_8_R3.DataWatcher$WatchableObject@3f91a3ce, net.minecraft.server.v1_8_R3.DataWatcher$WatchableObject@20769655, net.minecraft.server.v1_8_R3.DataWatcher$WatchableObject@78224ceb, net.minecraft.server.v1_8_R3.DataWatcher$WatchableObject@63caafc0, net.minecraft.server.v1_8_R3.DataWatcher$WatchableObject@51f7efa4, net.minecraft.server.v1_8_R3.DataWatcher$WatchableObject@45a71ff1, net.minecraft.server.v1_8_R3.DataWatcher$WatchableObject@2f0856ba, net.minecraft.server.v1_8_R3.DataWatcher$WatchableObject@190a4834, net.minecraft.server.v1_8_R3.DataWatcher$WatchableObject@776e1e7e, net.minecraft.server.v1_8_R3.DataWatcher$WatchableObject@acbdff5, net.minecraft.server.v1_8_R3.DataWatcher$WatchableObject@671bf590, net.minecraft.server.v1_8_R3.DataWatcher$WatchableObject@2c9b4aaf]
]
Does anyone know how to fix this?
Thanks EnderWolf
[08:06:22] [Server thread/ERROR]: [HolographicDisplays] Unhandled exception occured in onPacketSending(PacketEvent) for HolographicDisplays
java.lang.NoClassDefFoundError: Could not initialize class com.comphenix.protocol.wrappers.WrappedDataWatcher$WrappedDataWatcherObject
at com.comphenix.protocol.wrappers.WrappedWatchableObject.getWatcherObject(WrappedWatchableObject.java:72) ~[ProtocolLib.jar:4.0.1-b291]
at com.comphenix.protocol.wrappers.WrappedWatchableObject.getIndex(WrappedWatchableObject.java:80) ~[ProtocolLib.jar:4.0.1-b291]
at com.gmail.filoghost.holographicdisplays.bridge.protocollib.pre1_9.ProtocolLibHookImpl$1.onPacketSending(ProtocolLibHookImpl.java:157) ~[HolographicDisplays.jar:?]
at com.comphenix.protocol.injector.SortedPacketListenerList.invokeSendingListener(SortedPacketListenerList.java:195) [ProtocolLib.jar:4.0.1-b291]
at com.comphenix.protocol.injector.SortedPacketListenerList.invokePacketSending(SortedPacketListenerList.java:149) [ProtocolLib.jar:4.0.1-b291]
at com.comphenix.protocol.injector.PacketFilterManager.handlePacket(PacketFilterManager.java:608) [ProtocolLib.jar:4.0.1-b291]
at com.comphenix.protocol.injector.PacketFilterManager.invokePacketSending(PacketFilterManager.java:584) [ProtocolLib.jar:4.0.1-b291]
at com.comphenix.protocol.injector.netty.ProtocolInjector.packetQueued(ProtocolInjector.java:309) [ProtocolLib.jar:4.0.1-b291]
at com.comphenix.protocol.injector.netty.ProtocolInjector.onPacketSending(ProtocolInjector.java:269) [ProtocolLib.jar:4.0.1-b291]
at com.comphenix.protocol.injector.netty.ChannelInjector.processSending(ChannelInjector.java:396) [ProtocolLib.jar:4.0.1-b291]
at com.comphenix.protocol.injector.netty.ChannelInjector.access$500(ChannelInjector.java:77) [ProtocolLib.jar:4.0.1-b291]
at com.comphenix.protocol.injector.netty.ChannelInjector$5.handleScheduled(ChannelInjector.java:362) [ProtocolLib.jar:4.0.1-b291]
at com.comphenix.protocol.injector.netty.ChannelInjector$5.onMessageScheduled(ChannelInjector.java:330) [ProtocolLib.jar:4.0.1-b291]
at com.comphenix.protocol.injector.netty.ChannelProxy$2.schedulingRunnable(ChannelProxy.java:127) [ProtocolLib.jar:4.0.1-b291]
at com.comphenix.protocol.injector.netty.EventLoopProxy.execute(EventLoopProxy.java:95) [ProtocolLib.jar:4.0.1-b291]
at net.minecraft.server.v1_8_R3.NetworkManager.a(NetworkManager.java:192) [spigot.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.NetworkManager.handle(NetworkManager.java:141) [spigot.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.PlayerConnection.sendPacket(PlayerConnection.java:911) [spigot.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.EntityTrackerEntry.broadcast(EntityTrackerEntry.java:304) [spigot.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.EntityTrackerEntry.broadcastIncludingSelf(EntityTrackerEntry.java:310) [spigot.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.EntityTrackerEntry.b(EntityTrackerEntry.java:277) [spigot.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.EntityTrackerEntry.track(EntityTrackerEntry.java:203) [spigot.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.EntityTracker.updatePlayers(EntityTracker.java:177) [spigot.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:863) [spigot.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:378) [spigot.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:713) [spigot.jar:git-PaperSpigot-"8b18730"]
at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:616) [spigot.jar:git-PaperSpigot-"8b18730"]
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_91]
[08:06:22] [Server thread/ERROR]: Parameters:
net.minecraft.server.v1_8_R3.PacketPlayOutEntityMetadata@382450c3[
a=167
b=[net.minecraft.server.v1_8_R3.DataWatcher$WatchableObject@1f7d6255, net.minecraft.server.v1_8_R3.DataWatcher$WatchableObject@716dd2a3, net.minecraft.server.v1_8_R3.DataWatcher$WatchableObject@29b42e2, net.minecraft.server.v1_8_R3.DataWatcher$WatchableObject@4b8a0f20, net.minecraft.server.v1_8_R3.DataWatcher$WatchableObject@3f91a3ce, net.minecraft.server.v1_8_R3.DataWatcher$WatchableObject@20769655, net.minecraft.server.v1_8_R3.DataWatcher$WatchableObject@78224ceb, net.minecraft.server.v1_8_R3.DataWatcher$WatchableObject@63caafc0, net.minecraft.server.v1_8_R3.DataWatcher$WatchableObject@51f7efa4, net.minecraft.server.v1_8_R3.DataWatcher$WatchableObject@45a71ff1, net.minecraft.server.v1_8_R3.DataWatcher$WatchableObject@2f0856ba, net.minecraft.server.v1_8_R3.DataWatcher$WatchableObject@190a4834, net.minecraft.server.v1_8_R3.DataWatcher$WatchableObject@776e1e7e, net.minecraft.server.v1_8_R3.DataWatcher$WatchableObject@acbdff5, net.minecraft.server.v1_8_R3.DataWatcher$WatchableObject@671bf590, net.minecraft.server.v1_8_R3.DataWatcher$WatchableObject@2c9b4aaf]
]
Does anyone know how to fix this?
Thanks EnderWolf
