[10:27:39] [Server thread/ERROR]: Could not pass event InventoryClickEvent to ItemFixer v2.1.1
org.bukkit.event.EventException
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:310) ~[craftbukkit.jar:git-Spigot-f928e7a-994b2aa]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[craftbukkit.jar:git-Spigot-f928e7a-994b2aa]
at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [craftbukkit.jar:git-Spigot-f928e7a-994b2aa]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [craftbukkit.jar:git-Spigot-f928e7a-994b2aa]
at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:1603) [craftbukkit.jar:git-Spigot-f928e7a-994b2aa]
at net.minecraft.server.v1_8_R3.PacketPlayInWindowClick.a(SourceFile:31) [craftbukkit.jar:git-Spigot-f928e7a-994b2aa]
at net.minecraft.server.v1_8_R3.PacketPlayInWindowClick.a(SourceFile:9) [craftbukkit.jar:git-Spigot-f928e7a-994b2aa]
at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [craftbukkit.jar:git-Spigot-f928e7a-994b2aa]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_77]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_77]
at net.minecraft.server.v1_8_R3.SystemUtils.a(SystemUtils.java:19) [craftbukkit.jar:git-Spigot-f928e7a-994b2aa]
at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:718) [craftbukkit.jar:git-Spigot-f928e7a-994b2aa]
at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [craftbukkit.jar:git-Spigot-f928e7a-994b2aa]
at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [craftbukkit.jar:git-Spigot-f928e7a-994b2aa]
at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [craftbukkit.jar:git-Spigot-f928e7a-994b2aa]
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_77]
Caused by: java.lang.NullPointerException: null key in entry: null=1
at com.google.common.collect.CollectPreconditions.checkEntryNotNull(CollectPreconditions.java:31) ~[craftbukkit.jar:git-Spigot-f928e7a-994b2aa]
at com.google.common.collect.ImmutableMap.entryOf(ImmutableMap.java:135) ~[craftbukkit.jar:git-Spigot-f928e7a-994b2aa]
at com.google.common.collect.ImmutableMap$Builder.put(ImmutableMap.java:206) ~[craftbukkit.jar:git-Spigot-f928e7a-994b2aa]
at org.bukkit.craftbukkit.v1_8_R3.inventory.CraftItemStack.getEnchantments(CraftItemStack.java:299) ~[craftbukkit.jar:git-Spigot-f928e7a-994b2aa]
at org.bukkit.craftbukkit.v1_8_R3.inventory.CraftItemStack.getEnchantments(CraftItemStack.java:283) ~[craftbukkit.jar:git-Spigot-f928e7a-994b2aa]
at ru.xtime_1_8_R3.Checks.removeEnt(Checks.java:18) ~[?:?]
at ru.xtime_1_8_R3.XListener.InventoryClick(XListener.java:58) ~[?:?]
at sun.reflect.GeneratedMethodAccessor201.invoke(Unknown Source) ~[?:?]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_77]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_77]
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) ~[craftbukkit.jar:git-Spigot-f928e7a-994b2aa]
... 15 more