Marriage Error (In-Game) (2 errors)

2012-09-27 20:52:57 [SEVERE] Could not pass event PlayerMoveEvent to Marriage
org.bukkit.event.EventException
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:332)
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:477)
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:462)
    at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:213)
    at net.minecraft.server.Packet10Flying.handle(SourceFile:136)
    at net.minecraft.server.NetworkManager.b(NetworkManager.java:276)
    at net.minecraft.server.NetLoginHandler.c(NetLoginHandler.java:47)
    at net.minecraft.server.DedicatedServerConnectionThread.a(DedicatedServerConnectionThread.java:44)
    at net.minecraft.server.DedicatedServerConnection.b(SourceFile:29)
    at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:581)
    at net.minecraft.server.DedicatedServer.q(DedicatedServer.java:212)
    at net.minecraft.server.MinecraftServer.p(MinecraftServer.java:474)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:406)
    at net.minecraft.server.ThreadServerApplication.run(SourceFile:539)
Caused by: java.lang.IllegalArgumentException: Cannot set to an empty path
    at org.apache.commons.lang.Validate.notEmpty(Validate.java:363)
    at org.bukkit.configuration.MemorySection.set(MemorySection.java:156)
    at org.bukkit.configuration.MemorySection.set(MemorySection.java:186)
    at me.lenis0012.mr.Listeners.OnMove.onPlayerMove(OnMove.java:65)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:330)
    ... 14 more
2012-09-27 20:52:57 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
2012-09-27 20:52:58 [INFO] LOLSUP
2012-09-27 20:52:59 [INFO] LOLSUP
2012-09-27 20:53:02 [INFO] LOLSUP
2012-09-27 20:53:05 [INFO] LOLSUP
2012-09-27 20:53:08 [INFO] LOLSUP
2012-09-27 20:53:11 [INFO] LOLSUP
2012-09-27 20:53:14 [INFO] LOLSUP
2012-09-27 20:53:15 [SEVERE] Could not pass event PlayerCommandPreprocessEvent to Marriage
org.bukkit.event.EventException
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:332)
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:477)
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:462)
    at net.minecraft.server.NetServerHandler.handleCommand(NetServerHandler.java:871)
    at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:825)
    at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:807)
    at net.minecraft.server.Packet3Chat.handle(Packet3Chat.java:44)
    at net.minecraft.server.NetworkManager.b(NetworkManager.java:276)
    at net.minecraft.server.NetServerHandler.d(NetServerHandler.java:109)
    at net.minecraft.server.ServerConnection.b(SourceFile:35)
    at net.minecraft.server.DedicatedServerConnection.b(SourceFile:30)
    at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:581)
    at net.minecraft.server.DedicatedServer.q(DedicatedServer.java:212)
    at net.minecraft.server.MinecraftServer.p(MinecraftServer.java:474)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:406)
    at net.minecraft.server.ThreadServerApplication.run(SourceFile:539)
Caused by: java.lang.IllegalArgumentException: Cannot set to an empty path
    at org.apache.commons.lang.Validate.notEmpty(Validate.java:363)
    at org.bukkit.configuration.MemorySection.set(MemorySection.java:156)
    at org.bukkit.configuration.MemorySection.set(MemorySection.java:186)
    at me.lenis0012.mr.Listeners.OnCommand.onPlayerCommandPreprocess(OnCommand.java:56)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:330)
    ... 16 more