Bukkit

Using CB # 2150 EnchantMore 1.0 and EnchantAnything (most recent) the reverse engineering pickaxe throws this error when used on powered rails and music blocks.

00:12:42 [SEVERE] Could not pass event BlockBreakEvent to EnchantMore
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:303)
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:459)
        at net.minecraft.server.ItemInWorldManager.breakBlock(ItemInWorldManager.java:220)
        at net.minecraft.server.ItemInWorldManager.dig(ItemInWorldManager.java:105)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:537)
        at net.minecraft.serverhook.NetServerHandlerProxy.a(NetServerHandlerProxy.java:114)
        at net.minecraft.server.Packet14BlockDig.handle(SourceFile:43)
        at net.minecraft.server.NetworkManager.b(NetworkManager.java:229)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:113)
        at net.minecraft.serverhook.NetServerHandlerProxy.a(NetServerHandlerProxy.java:83)
        at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:78)
        at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:551)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:449)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)
Caused by: java.lang.NullPointerException
        at org.bukkit.craftbukkit.inventory.CraftItemStack.setAmount(CraftItemStack.java:114)
        at me.exphc.EnchantMore.EnchantMoreListener.uncraft(EnchantMore.java:1796)
        at me.exphc.EnchantMore.EnchantMoreListener.onBlockBreak(EnchantMore.java:1495)
        at sun.reflect.GeneratedMethodAccessor117.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:301)
        ... 14 more

It should be noted that a very similar if not duplicate error is thrown when using the fiery explosion flint n' steel a bunch. If you need any more info or I can be of any more help just let me know and I will do what I can.