Bukkit

What steps will reproduce the problem?
1.Someone says the password correctly

What is the expected output? What do you see instead?
Expected is they rank up.  instead they do not.

What version of the product are you using?
1.2.2

Do you have an error log of what happened?
[14:12:48 ERROR]: Could not pass event AsyncPlayerChatEvent to WordRankUp v1.2.2
org.bukkit.event.EventException
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:427) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:481) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:463) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.PlayerConnection.chat(PlayerConnection.java:858) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.PlayerConnection.a(PlayerConnection.java:828) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.PacketPlayInChat.a(PacketPlayInChat.java:28) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.PacketPlayInChat.handle(PacketPlayInChat.java:47) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.NetworkManager.a(NetworkManager.java:72) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.server.v1_7_R1.NetworkManager.channelRead0(NetworkManager.java:192) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.util.io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:98) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.util.io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:337) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.util.io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:323) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.util.io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:173) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.util.io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:337) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.util.io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:323) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.util.io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:173) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.util.io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:337) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.util.io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:323) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.util.io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.util.io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:337) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.util.io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:323) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.util.io.netty.handler.timeout.ReadTimeoutHandler.channelRead(ReadTimeoutHandler.java:149) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.util.io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:337) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.util.io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:323) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.util.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:785) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.util.io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:100) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.util.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:480) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.util.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:447) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.util.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:341) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at net.minecraft.util.io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:101) [craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    at java.lang.Thread.run(Thread.java:744) [?:1.7.0_51]
Caused by: java.lang.NoSuchMethodError: ru.tehkode.permissions.PermissionUser.setGroups(Ljava/util/List;)V
    at me.sacnoth.wordrankup.WordRankUp.setGroup(WordRankUp.java:94) ~[?:?]
    at me.sacnoth.wordrankup.EventListener.onPlayerChat(EventListener.java:19) ~[?:?]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_51]
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) ~[?:1.7.0_51]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.7.0_51]
    at java.lang.reflect.Method.invoke(Method.java:606) ~[?:1.7.0_51]
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:425) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
    ... 31 more