Bukkit ForcedGrammar crashed

20:31:20 [WARNING] Unexpected exception while parsing console command "fg list"
org.bukkit.command.CommandException: Unhandled exception executing command 'fg' in plugin ForcedGrammar v1.8.0
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46)
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:189)
        at org.bukkit.craftbukkit.v1_6_R2.CraftServer.dispatchCommand(CraftServer.java:523)
        at org.bukkit.craftbukkit.v1_6_R2.CraftServer.dispatchServerCommand(CraftServer.java:512)
        at net.minecraft.server.v1_6_R2.DedicatedServer.ar(DedicatedServer.java:262)
        at net.minecraft.server.v1_6_R2.DedicatedServer.t(DedicatedServer.java:227)
        at net.minecraft.server.v1_6_R2.MinecraftServer.s(MinecraftServer.java:486)
        at net.minecraft.server.v1_6_R2.MinecraftServer.run(MinecraftServer.java:419)
        at net.minecraft.server.v1_6_R2.ThreadServerApplication.run(SourceFile:582)
Caused by: java.lang.NoClassDefFoundError: net/reddchicken/tools/Talker
        at net.reddchicken.ForcedGrammar.ForcedGrammar.onCommand(ForcedGrammar.java:307)
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
        ... 8 more
Caused by: java.lang.ClassNotFoundException: net.reddchicken.tools.Talker
        at java.net.URLClassLoader$1.run(Unknown Source)
        at java.net.URLClassLoader$1.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(Unknown Source)
        at org.bukkit.plugin.java.PluginClassLoader.findClass0(PluginClassLoader.java:80)
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:53)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        ... 10 more
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