[14:53:37 ERROR]: Could not pass event InventoryCloseEvent to MineTribesCore v1.0
org.bukkit.event.EventException
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) ~[server.jar:git-PaperSpigot-unknown]
at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78) ~[server.jar:git-PaperSpigot-unknown]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[server.jar:git-PaperSpigot-unknown]
at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:517) [server.jar:git-PaperSpigot-unknown]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:502) [server.jar:git-PaperSpigot-unknown]
at org.bukkit.craftbukkit.v1_8_R3.event.CraftEventFactory.handleInventoryCloseEvent(CraftEventFactory.java:852) [server.jar:git-PaperSpigot-unknown]
at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:1438) [server.jar:git-PaperSpigot-unknown]
at net.minecraft.server.v1_8_R3.PacketPlayInCloseWindow.a(PacketPlayInCloseWindow.java:18) [server.jar:git-PaperSpigot-unknown]
at net.minecraft.server.v1_8_R3.PacketPlayInCloseWindow.a(PacketPlayInCloseWindow.java:1) [server.jar:git-PaperSpigot-unknown]
at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [server.jar:git-PaperSpigot-unknown]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_181]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_181]
at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44) [server.jar:git-PaperSpigot-unknown]
at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:776) [server.jar:git-PaperSpigot-unknown]
at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:378) [server.jar:git-PaperSpigot-unknown]
at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:715) [server.jar:git-PaperSpigot-unknown]
at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:618) [server.jar:git-PaperSpigot-unknown]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_181]
Caused by: java.lang.ClassCastException: com.gmail.filoghost.chestcommands.internal.MenuInventoryHolder cannot be cast to org.bukkit.block.Chest
at xyz.herex.assasinmc.listeners.ChestListener.onChestClose(ChestListener.java:37) ~[?:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_181]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_181]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_181]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_181]
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:300) ~[server.jar:git-PaperSpigot-unknown]
... 17 more