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java.lang.ArrayIndexOutOfBoundsException: 16 at net.minecraft.server.v1_9_R1.Chunk.getBrightness(Chunk.java:532)[spigot-1.9.jar:git-Spigot-b39373b-73eff0d] at org.bukkit.craftbukkit.v1_9_R1.block.CraftBlock.getLightFromSky(CraftBlock.java:170)[spigot-1.9.jar:git-Spigot-b39373b-73eff0d] 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)[spigot-1.9.jar:git-Spigot-b39373b-73eff0d] at org.bukkit.craftbukkit.v1_9_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350)[spigot-1.9.jar:git-Spigot-b39373b-73eff0d] at net.minecraft.server.v1_9_R1.MinecraftServer.D(MinecraftServer.java:729)[spigot-1.9.jar:git-Spigot-b39373b-73eff0d] at net.minecraft.server.v1_9_R1.DedicatedServer.D(DedicatedServer.java:400)[spigot-1.9.jar:git-Spigot-b39373b-73eff0d] at net.minecraft.server.v1_9_R1.MinecraftServer.C(MinecraftServer.java:660)[spigot-1.9.jar:git-Spigot-b39373b-73eff0d] at net.minecraft.server.v1_9_R1.MinecraftServer.run(MinecraftServer.java:559)[spigot-1.9.jar:git-Spigot-b39373b-73eff0d] at java.lang.Thread.run(Thread.java:745)[?:1.8.0_72]