Bukkit

What steps will reproduce the problem?
1. Entering a minecart and begin to ride it.
2. Logging out while riding.
3.

What is the expected output? What do you see instead?
I can't get out of a minecart after entering it, it doesn't matter if riding or not and after I log out while riding a Minecart I get an error in the console.

What version of the product are you using?
2.4

Do you have an error log of what happened?

Yes.

05:08:30 [INFO] Bloodlex lost connection: Disconnected
05:08:30 ERROR]undefined
05:08:30 WARN]: java.lang.NullPointerExceptiundefined
05:08:30 WARN]: at com.afforess.minecartmania.minecarts.MMDataTable.(MMDataTable.java:8undefined
05:08:30 WARN]: at com.afforess.minecartmania.listeners.PlayerListener.onPlayerQuit(PlayerListener.java:3undefined
05:08:30 WARN]: at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Methoundefined
05:08:30 WARN]: at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:5undefined
05:08:30 WARN]: at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:4undefined
05:08:30 WARN]: at java.lang.reflect.Method.invoke(Method.java:60undefined
05:08:30 WARN]: at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:42undefined
05:08:30 WARN]: at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:6undefined
05:08:30 WARN]: at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:48undefined
05:08:30 WARN]: at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:46undefined
05:08:30 WARN]: at net.minecraft.server.v1_7_R1.PlayerList.disconnect(PlayerList.java:28undefined
05:08:30 WARN]: at net.minecraft.server.v1_7_R1.PlayerConnection.a(PlayerConnection.java:70undefined
05:08:30 WARN]: at net.minecraft.server.v1_7_R1.ServerConnection.c(SourceFile:13undefined
05:08:30 WARN]: at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:65undefined
05:08:30 WARN]: at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:25undefined
05:08:30 WARN]: at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:54undefined
05:08:30 WARN]: at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:45undefined
05:08:30 WARN]: at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:61undefined
05:08:30 [INFO] Bloodlex left the game!
05:08:40 [INFO] Bloodlex[/193.239.82.132:64414] logged in with entity id 5989230 at ([Kwadratterra] 7370.548365254915, 34.69999998807907, -31577.5)

Please provide any additional information below.

There is no way to get out of a minecart clicking outside it or in any other way.