2013-06-07 16:21:05 [SEVERE] Could not pass event PlayerInteractEvent to SignShop v2.6.2
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:363)
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
	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:167)
	at net.minecraft.item.ItemInWorldManager.func_73078_a(ItemInWorldManager.java:541)
	at net.minecraft.network.NetServerHandler.func_72472_a(NetServerHandler.java:865)
	at net.minecraft.network.packet.Packet15Place.func_73279_a(SourceFile:58)
	at net.minecraft.network.TcpConnection.func_74428_b(TcpConnection.java:442)
	at net.minecraft.network.NetServerHandler.func_72570_d(NetServerHandler.java:213)
	at net.minecraft.network.NetworkListenThread.func_71747_b(NetworkListenThread.java:53)
	at net.minecraft.server.dedicated.DedicatedServerListenThread.func_71747_b(SourceFile:30)
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:859)
	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:320)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:728)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:612)
	at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)