rg.bukkit.command.CommandException: Unhandled exception executing command 'listwarps' in plugin SimpleWarp v2.3
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:37)
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:129)
	at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:352)
	at net.minecraft.server.NetServerHandler.handleCommand(NetServerHandler.java:737)
	at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:701)
	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:694)
	at net.minecraft.server.Packet3Chat.a(Packet3Chat.java:33)
	at net.minecraft.server.NetworkManager.b(NetworkManager.java:226)
	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:89)
	at net.minecraft.server.NetworkListenThread.a(SourceFile:105)
	at net.minecraft.server.MinecraftServer.h(MinecraftServer.java:454)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:363)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:422)
Caused by: java.lang.NoClassDefFoundError: com/nijiko/permissions/PermissionHandler
	at net.rymate.SimpleWarp.ListWarpsCommand.onCommand(ListWarpsCommand.java:27)
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:35)
	... 12 more
Caused by: java.lang.ClassNotFoundException: com.nijiko.permissions.PermissionHandler
	at java.net.URLClassLoader$1.run(URLClassLoader.java:217)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:36)
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:24)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:321)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
	... 14 more