Bukkit

What steps will reproduce the problem?
1.Trying to use GOld ingot on locked chest
2.
3.

What is the expected output? What do you see instead?
Unlocked - fail , I dont see anything in game

What version of the product are you using?
Lastest for 5.2

Do you have an error log of what happened?
Yes

Please provide any additional information below.
22:25:39 [SEVERE] Could not pass event PlayerInteractEvent to LockPick v2.1
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja
va:427)
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.jav
a:62)
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.j
ava:477)
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.j
ava:462)
        at org.bukkit.craftbukkit.v1_5_R3.event.CraftEventFactory.callPlayerInte
ractEvent(CraftEventFactory.java:186)
        at net.minecraft.server.v1_5_R3.PlayerInteractManager.interact(PlayerInt
eractManager.java:370)
        at net.minecraft.server.v1_5_R3.PlayerConnection.a(PlayerConnection.java
:631)
        at net.minecraft.server.v1_5_R3.Packet15Place.handle(SourceFile:58)
        at net.minecraft.server.v1_5_R3.NetworkManager.b(NetworkManager.java:292
)
        at net.minecraft.server.v1_5_R3.PlayerConnection.d(PlayerConnection.java
:109)
        at net.minecraft.server.v1_5_R3.ServerConnection.b(SourceFile:35)
        at net.minecraft.server.v1_5_R3.DedicatedServerConnection.b(SourceFile:3
0)
        at net.minecraft.server.v1_5_R3.MinecraftServer.r(MinecraftServer.java:5
81)
        at net.minecraft.server.v1_5_R3.DedicatedServer.r(DedicatedServer.java:2
26)
        at net.minecraft.server.v1_5_R3.MinecraftServer.q(MinecraftServer.java:4
77)
        at net.minecraft.server.v1_5_R3.MinecraftServer.run(MinecraftServer.java
:410)
        at net.minecraft.server.v1_5_R3.ThreadServerApplication.run(SourceFile:5
73)
Caused by: java.lang.NullPointerException
        at com.bethkefamily.LockPick.FileMaker.readFromFile(FileMaker.java:116)
        at com.bethkefamily.LockPick.LockPickLeveling.GetLevelExP(LockPickLeveli
ng.java:43)
        at com.bethkefamily.LockPick.LockPickLeveling.TotalLevel(LockPickLevelin
g.java:49)
        at com.bethkefamily.LockPick.LockPickLeveling.GetSucceedPercent(LockPick
Leveling.java:57)
        at com.bethkefamily.LockPick.LockPick.lockpick(LockPick.java:344)
        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.ja
va:425)
        ... 16 more

Are you sure that you are using the latest build? That line has nothing that could be null in it.