[22:52:33 ERROR]: Error occurred while enabling HubPlugin v1.0 (Is it up to date
?)
java.lang.NoClassDefFoundError: net/minecraft/server/v1_8_R1/World
        at me.mike1665.Main.Main.onEnable(Main.java:216) ~[?:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:316) ~[c
raftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader
.java:332) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManage
r.java:412) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
        at org.bukkit.craftbukkit.v1_7_R4.CraftServer.loadPlugin(CraftServer.jav
a:476) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
        at org.bukkit.craftbukkit.v1_7_R4.CraftServer.enablePlugins(CraftServer.
java:394) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
        at net.minecraft.server.v1_7_R4.MinecraftServer.n(MinecraftServer.java:3
60) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
        at net.minecraft.server.v1_7_R4.MinecraftServer.g(MinecraftServer.java:3
34) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
        at net.minecraft.server.v1_7_R4.MinecraftServer.a(MinecraftServer.java:2
90) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
        at net.minecraft.server.v1_7_R4.DedicatedServer.init(DedicatedServer.jav
a:210) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
        at net.minecraft.server.v1_7_R4.MinecraftServer.run(MinecraftServer.java
:458) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
        at net.minecraft.server.v1_7_R4.ThreadServerApplication.run(SourceFile:6
28) [craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
Caused by: java.lang.ClassNotFoundException: net.minecraft.server.v1_8_R1.World
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.
java:91) ~[craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.
java:86) ~[craftbukkit.jar:git-Spigot-1.7.9-R0.2-207-g03373bb]
        at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0]
        at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0]
        ... 12 more