2013-03-25 17:07:04 [SEVERE] Could not pass event PlayerInteractEvent to Cannons v1.9.5
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:427)
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
	at org.bukkit.plugin.TimedRegisteredListener.callEvent(TimedRegisteredListener.java:26)
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
	at org.bukkit.craftbukkit.v1_5_R2.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:181)
	at net.minecraft.server.v1_5_R2.PlayerInteractManager.interact(PlayerInteractManager.java:381)
	at net.minecraft.server.v1_5_R2.PlayerConnection.a(PlayerConnection.java:635)
	at net.minecraft.server.v1_5_R2.Packet15Place.handle(SourceFile:58)
	at org.spigotmc.netty.NettyNetworkManager.b(NettyNetworkManager.java:174)
	at net.minecraft.server.v1_5_R2.PlayerConnection.d(PlayerConnection.java:113)
	at net.minecraft.server.v1_5_R2.ServerConnection.b(SourceFile:35)
	at org.spigotmc.netty.NettyServerConnection.b(NettyServerConnection.java:66)
	at net.minecraft.server.v1_5_R2.MinecraftServer.r(MinecraftServer.java:582)
	at net.minecraft.server.v1_5_R2.DedicatedServer.r(DedicatedServer.java:229)
	at net.minecraft.server.v1_5_R2.MinecraftServer.q(MinecraftServer.java:471)
	at net.minecraft.server.v1_5_R2.MinecraftServer.run(MinecraftServer.java:403)
	at net.minecraft.server.v1_5_R2.ThreadServerApplication.run(SourceFile:573)
Caused by: java.lang.NullPointerException
	at at.pavlov.Cannons.CannonManager.getCannonAmount(CannonManager.java:248)
	at at.pavlov.Cannons.CannonManager.CheckCannonsAmount(CannonManager.java:280)
	at at.pavlov.Cannons.CannonManager.addCannon(CannonManager.java:377)
	at at.pavlov.Cannons.CannonManager.getCannon(CannonManager.java:218)
	at at.pavlov.Cannons.listener.PlayerListener.PlayerInteract(PlayerListener.java:518)
	at sun.reflect.GeneratedMethodAccessor85.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:601)
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:425)
	... 17 more