[15:07:46] [Server thread/WARN]: [AntiKillAura] Task #20 for AntiKillAura v1.4 generated an exception
java.lang.RuntimeException: Cannot find class net.minecraft.server.v1_8_R2.PlayerInfoData
	at com.comphenix.protocol.utility.MinecraftReflection.getClass(MinecraftReflection.java:1927) ~[?:?]
	at com.comphenix.protocol.utility.MinecraftReflection.getMinecraftClass(MinecraftReflection.java:1948) ~[?:?]
	at com.comphenix.protocol.utility.MinecraftReflection.getPlayerInfoDataClass(MinecraftReflection.java:1905) ~[?:?]
	at com.comphenix.protocol.events.PacketContainer.getPlayerInfoDataLists(PacketContainer.java:663) ~[?:?]
	at de.daniel0916.AntiKillAura.SpawnUtils.spawnNPC_18(SpawnUtils.java:47) ~[?:?]
	at de.daniel0916.AntiKillAura.AntiKillAura.spawnNPC(AntiKillAura.java:103) ~[?:?]
	at de.daniel0916.AntiKillAura.AntiKillAura$1.run(AntiKillAura.java:120) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R2.scheduler.CraftTask.run(CraftTask.java:71) ~[start.jar:git-Spigot-26dfd01-ad2f806]
	at org.bukkit.craftbukkit.v1_8_R2.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [start.jar:git-Spigot-26dfd01-ad2f806]
	at net.minecraft.server.v1_8_R2.MinecraftServer.A(MinecraftServer.java:718) [start.jar:git-Spigot-26dfd01-ad2f806]
	at net.minecraft.server.v1_8_R2.DedicatedServer.A(DedicatedServer.java:368) [start.jar:git-Spigot-26dfd01-ad2f806]
	at net.minecraft.server.v1_8_R2.MinecraftServer.z(MinecraftServer.java:651) [start.jar:git-Spigot-26dfd01-ad2f806]
	at net.minecraft.server.v1_8_R2.MinecraftServer.run(MinecraftServer.java:554) [start.jar:git-Spigot-26dfd01-ad2f806]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_72]
Caused by: java.lang.ClassNotFoundException: net.minecraft.server.v1_8_R2.PlayerInfoData
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:91) ~[start.jar:git-Spigot-26dfd01-ad2f806]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:86) ~[start.jar:git-Spigot-26dfd01-ad2f806]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:425) ~[?:1.7.0_72]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:358) ~[?:1.7.0_72]
	at com.comphenix.protocol.utility.MinecraftReflection.getClass(MinecraftReflection.java:1925) ~[?:?]
	... 13 more