Bukkit

it gives this error on startup

[16:52:46] [Server thread/ERROR]: Error occurred while enabling Herobrine v1.5.0 (Is it up to date?)
java.lang.NoClassDefFoundError: net/minecraft/server/v1_10_R1/Packet
	at net.theprogrammersworld.herobrine.Herobrine.onEnable(Herobrine.java:66) ~[?:?]
	at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:271) ~[minecraft_server.jar:git-Bukkit-8ea0c87]
	at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:329) [minecraft_server.jar:git-Bukkit-8ea0c87]
	at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:404) [minecraft_server.jar:git-Bukkit-8ea0c87]
	at org.bukkit.craftbukkit.v1_11_R1.CraftServer.enablePlugin(CraftServer.java:360) [minecraft_server.jar:git-Bukkit-8ea0c87]
	at org.bukkit.craftbukkit.v1_11_R1.CraftServer.enablePlugins(CraftServer.java:322) [minecraft_server.jar:git-Bukkit-8ea0c87]
	at net.minecraft.server.v1_11_R1.MinecraftServer.t(MinecraftServer.java:411) [minecraft_server.jar:git-Bukkit-8ea0c87]
	at net.minecraft.server.v1_11_R1.MinecraftServer.l(MinecraftServer.java:372) [minecraft_server.jar:git-Bukkit-8ea0c87]
	at net.minecraft.server.v1_11_R1.MinecraftServer.a(MinecraftServer.java:327) [minecraft_server.jar:git-Bukkit-8ea0c87]
	at net.minecraft.server.v1_11_R1.DedicatedServer.init(DedicatedServer.java:244) [minecraft_server.jar:git-Bukkit-8ea0c87]
	at net.minecraft.server.v1_11_R1.MinecraftServer.run(MinecraftServer.java:521) [minecraft_server.jar:git-Bukkit-8ea0c87]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_91]
Caused by: java.lang.ClassNotFoundException: net.minecraft.server.v1_10_R1.Packet
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:67) ~[minecraft_server.jar:git-Bukkit-8ea0c87]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:62) ~[minecraft_server.jar:git-Bukkit-8ea0c87]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_91]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_91]
	... 12 more