[16:50:12] [Server thread/ERROR]: Could not pass event BlockBreakEvent to iLag v1.3.1.5
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) ~[spigot.jar:git-Spigot-de459a2-51263e9]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot.jar:git-Spigot-de459a2-51263e9]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigot.jar:git-Spigot-de459a2-51263e9]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [spigot.jar:git-Spigot-de459a2-51263e9]
	at net.minecraft.server.v1_10_R1.PlayerInteractManager.breakBlock(PlayerInteractManager.java:292) [spigot.jar:git-Spigot-de459a2-51263e9]
	at net.minecraft.server.v1_10_R1.PlayerInteractManager.a(PlayerInteractManager.java:219) [spigot.jar:git-Spigot-de459a2-51263e9]
	at net.minecraft.server.v1_10_R1.PlayerConnection.a(PlayerConnection.java:848) [spigot.jar:git-Spigot-de459a2-51263e9]
	at net.minecraft.server.v1_10_R1.PacketPlayInBlockDig.a(SourceFile:40) [spigot.jar:git-Spigot-de459a2-51263e9]
	at net.minecraft.server.v1_10_R1.PacketPlayInBlockDig.a(SourceFile:10) [spigot.jar:git-Spigot-de459a2-51263e9]
	at net.minecraft.server.v1_10_R1.PlayerConnectionUtils$1.run(SourceFile:13) [spigot.jar:git-Spigot-de459a2-51263e9]
	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_181]
	at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_181]
	at net.minecraft.server.v1_10_R1.SystemUtils.a(SourceFile:45) [spigot.jar:git-Spigot-de459a2-51263e9]
	at net.minecraft.server.v1_10_R1.MinecraftServer.D(MinecraftServer.java:732) [spigot.jar:git-Spigot-de459a2-51263e9]
	at net.minecraft.server.v1_10_R1.DedicatedServer.D(DedicatedServer.java:400) [spigot.jar:git-Spigot-de459a2-51263e9]
	at net.minecraft.server.v1_10_R1.MinecraftServer.C(MinecraftServer.java:668) [spigot.jar:git-Spigot-de459a2-51263e9]
	at net.minecraft.server.v1_10_R1.MinecraftServer.run(MinecraftServer.java:567) [spigot.jar:git-Spigot-de459a2-51263e9]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_181]
Caused by: java.lang.NullPointerException: The build flag is handled in a special fashion and requires a non-null subject parameter
	at com.sk89q.worldguard.protection.FlagValueCalculator.queryAllValues(FlagValueCalculator.java:274) ~[?:?]
	at com.sk89q.worldguard.protection.FlagValueCalculator.queryValue(FlagValueCalculator.java:220) ~[?:?]
	at com.sk89q.worldguard.protection.FlagValueCalculator.queryState(FlagValueCalculator.java:167) ~[?:?]
	at com.sk89q.worldguard.protection.RegionResultSet.queryState(RegionResultSet.java:97) ~[?:?]
	at ml.acayrin.ilag.EventHandlers.LeafDecayEvent.blockBreakEvent(LeafDecayEvent.java:37) ~[?:?]
	at sun.reflect.GeneratedMethodAccessor998.invoke(Unknown Source) ~[?:?]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_181]
	at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_181]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) ~[spigot.jar:git-Spigot-de459a2-51263e9]
	... 17 more