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java.lang.ArrayIndexOutOfBoundsException: 16	at net.minecraft.server.v1_9_R1.Chunk.getBrightness(Chunk.java:532)	at org.bukkit.craftbukkit.v1_9_R1.block.CraftBlock.getLightFromSky(CraftBlock.java:170)	at com.extrahardmode.task.MoreMonstersTask.verifyLocation(MoreMonstersTask.java:156)	at com.extrahardmode.task.MoreMonstersTask.run(MoreMonstersTask.java:127)	at org.bukkit.craftbukkit.v1_9_R1.scheduler.CraftTask.run(CraftTask.java:71)	at org.bukkit.craftbukkit.v1_9_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350)	at net.minecraft.server.v1_9_R1.MinecraftServer.D(MinecraftServer.java:729)	at net.minecraft.server.v1_9_R1.DedicatedServer.D(DedicatedServer.java:400)	at net.minecraft.server.v1_9_R1.MinecraftServer.C(MinecraftServer.java:660)	at net.minecraft.server.v1_9_R1.MinecraftServer.run(MinecraftServer.java:559)	at java.lang.Thread.run(Thread.java:745)