2013-01-19 12:04:58 [SEVERE] Error occurred while enabling DragonTravel v1.8.3b (Is it up to date?)
java.lang.NoClassDefFoundError: net/minecraft/server/v1_4_6/EntityTypes
	at com.xemsdoom.dt.DragonTravelMain.onEnable(DragonTravelMain.java:230)
	at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:217)
	at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:457)
	at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:383)
	at org.bukkit.craftbukkit.v1_4_R1.CraftServer.loadPlugin(CraftServer.java:322)
	at org.bukkit.craftbukkit.v1_4_R1.CraftServer.enablePlugins(CraftServer.java:304)
	at net.minecraft.server.v1_4_R1.MinecraftServer.j(MinecraftServer.java:326)
	at net.minecraft.server.v1_4_R1.MinecraftServer.e(MinecraftServer.java:305)
	at net.minecraft.server.v1_4_R1.MinecraftServer.a(MinecraftServer.java:264)
	at net.minecraft.server.v1_4_R1.DedicatedServer.init(DedicatedServer.java:149)
	at net.minecraft.server.v1_4_R1.MinecraftServer.run(MinecraftServer.java:404)
	at net.minecraft.server.v1_4_R1.ThreadServerApplication.run(SourceFile:849)
Caused by: java.lang.ClassNotFoundException: net.minecraft.server.v1_4_6.EntityTypes
	at org.bukkit.plugin.java.PluginClassLoader.findClass0(PluginClassLoader.java:70)
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:53)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	... 12 more