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[13:41:00 WARN]: java.lang.NullPointerException
[13:41:00 WARN]:        at de.iraphi.rax.crate.CrateVault.lambda$open$0(CrateVault.java:397)
[13:41:00 WARN]:        at de.iraphi.rax.menubuilder.inventory.InventoryMenuBuilder$1.interact(InventoryMenuBuilder.java:266)
[13:41:00 WARN]:        at de.iraphi.rax.menubuilder.inventory.InventoryListener.onInventoryClick(InventoryListener.java:128)
[13:41:00 WARN]:        at sun.reflect.GeneratedMethodAccessor187.invoke(Unknown Source)
[13:41:00 WARN]:        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[13:41:00 WARN]:        at java.lang.reflect.Method.invoke(Method.java:498)
[13:41:00 WARN]:        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306)
[13:41:00 WARN]:        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
[13:41:00 WARN]:        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502)
[13:41:00 WARN]:        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487)
[13:41:00 WARN]:        at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:1630)
[13:41:00 WARN]:        at net.minecraft.server.v1_8_R3.PacketPlayInWindowClick.a(SourceFile:31)
[13:41:00 WARN]:        at net.minecraft.server.v1_8_R3.PacketPlayInWindowClick.a(SourceFile:9)
[13:41:00 WARN]:        at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13)
[13:41:00 WARN]:        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
[13:41:00 WARN]:        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
[13:41:00 WARN]:        at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44)
[13:41:00 WARN]:        at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:715)
[13:41:00 WARN]:        at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374)
[13:41:00 WARN]:        at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654)
[13:41:00 WARN]:        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557)
[13:41:00 WARN]:        at java.lang.Thread.run(Thread.java:748)
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