Mc1.7.10 MCPC+，箱子商店和全球市场都出的错误

ikoumi

[13:51:48] [Server thread/ERROR]: Could not pass event InventoryClickEvent to GlobalMarket v1.2.2
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:338) ~[JavaPluginLoader$1.class:git-Cauldron-MCPC-Plus-1.7.10-1.1207.01.187]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[RegisteredListener.class:git-Cauldron-MCPC-Plus-1.7.10-1.1207.01.187]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [SimplePluginManager.class:git-Cauldron-MCPC-Plus-1.7.10-1.1207.01.187]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [SimplePluginManager.class:git-Cauldron-MCPC-Plus-1.7.10-1.1207.01.187]
        at net.minecraft.network.NetHandlerPlayServer.func_147351_a(NetHandlerPlayServer.java:2034) [nh.class:?]
        at net.minecraft.network.play.client.C0EPacketClickWindow.func_148833_a(SourceFile:32) [ix.class:?]
        at net.minecraft.network.play.client.C0EPacketClickWindow.func_148833_a(SourceFile:10) [ix.class:?]
        at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:244) [ej.class:?]
        at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:173) [nc.class:?]
        at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:980) [MinecraftServer.class:?]
        at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:423) [lt.class:?]
        at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:798) [MinecraftServer.class:?]
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:658) [MinecraftServer.class:?]
        at java.lang.Thread.run(Unknown Source) [?:1.7.0_51]
Caused by: java.lang.NullPointerException
        at com.survivorserver.GlobalMarket.InterfaceListener.handleClickEvent(InterfaceListener.java:37) ~[?:?]
        at sun.reflect.GeneratedMethodAccessor67.invoke(Unknown Source) ~[?:?]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_51]
        at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_51]
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:334) ~[JavaPluginLoader$1.class:git-Cauldron-MCPC-Plus-1.7.10-1.1207.01.187]
        ... 13 more
求解决