Trade 0.5.5

22.01 13:47:22 [Server] SEVERE Could not pass event PlayerInteractEntityEvent to Trade v0.5.5
22.01 13:47:22 [Server] INFO ... 14 more
22.01 13:47:22 [Server] INFO at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:425)
22.01 13:47:22 [Server] INFO at java.lang.reflect.Method.invoke(Method.java:601)
22.01 13:47:22 [Server] INFO at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
22.01 13:47:22 [Server] INFO at sun.reflect.GeneratedMethodAccessor316.invoke(Unknown Source)
22.01 13:47:22 [Server] INFO at me.josvth.trade.listeners.TradeListener.onRightClickPlayer(TradeListener.java:241)
22.01 13:47:22 [Server] INFO at me.josvth.trade.managers.RequestManager.acceptRequest(RequestManager.java:125)
22.01 13:47:22 [Server] INFO at me.josvth.trade.managers.RequestManager.createExchange(RequestManager.java:150)
22.01 13:47:22 [Server] INFO at me.josvth.trade.exchanges.CurrencyExchange.initialize(CurrencyExchange.java:33)
22.01 13:47:22 [Server] INFO at me.josvth.trade.managers.LayoutManager.getCurrencyLayout(LayoutManager.java:235)
22.01 13:47:22 [Server] INFO at me.josvth.trade.layouts.CurrencyLayout.createDefaultLayout(CurrencyLayout.java:319)
22.01 13:47:22 [Server] INFO Caused by: java.lang.NullPointerException
22.01 13:47:22 [Server] INFO at net.minecraft.server.v1_4_6.ThreadServerApplication.run(SourceFile:849)
22.01 13:47:22 [Server] INFO at net.minecraft.server.v1_4_6.MinecraftServer.run(MinecraftServer.java:427)
22.01 13:47:22 [Server] INFO at net.minecraft.server.v1_4_6.MinecraftServer.q(MinecraftServer.java:494)
22.01 13:47:22 [Server] INFO at net.minecraft.server.v1_4_6.DedicatedServer.r(DedicatedServer.java:224)
22.01 13:47:22 [Server] INFO at net.minecraft.server.v1_4_6.MinecraftServer.r(MinecraftServer.java:598)
22.01 13:47:22 [Server] INFO at net.minecraft.server.v1_4_6.DedicatedServerConnection.b(SourceFile:30)
22.01 13:47:22 [Server] INFO at net.minecraft.server.v1_4_6.ServerConnection.b(SourceFile:39)
22.01 13:47:22 [Server] INFO at net.minecraft.server.v1_4_6.PlayerConnection.d(PlayerConnection.java:112)
22.01 13:47:22 [Server] INFO at net.minecraft.server.v1_4_6.NetworkManager.b(NetworkManager.java:290)
22.01 13:47:22 [Server] INFO at net.minecraft.server.v1_4_6.Packet7UseEntity.handle(SourceFile:36)
22.01 13:47:22 [Server] INFO at net.minecraft.server.v1_4_6.PlayerConnection.a(PlayerConnection.java:1096)
22.01 13:47:22 [Server] INFO at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:462)
22.01 13:47:22 [Server] INFO at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:477)
22.01 13:47:22 [Server] INFO at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
22.01 13:47:22 [Server] INFO at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:427)
22.01 13:47:22 [Server] INFO org.bukkit.event.EventException