java.lang.NullPointerException: This exception has no message.

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java.lang.NullPointerException:
at com.plotsquared.bukkit.util.block.BukkitLocalQueue.setBlocks(BukkitLocalQueue.java:90)
at com.plotsquared.bukkit.util.block.BukkitLocalQueue.setComponents(BukkitLocalQueue.java:64)
at com.intellectualcrafters.plot.util.block.BasicLocalBlockQueue.execute(BasicLocalBlockQueue.java:67)
at com.intellectualcrafters.plot.util.block.BasicLocalBlockQueue.next(BasicLocalBlockQueue.java:53)
at com.intellectualcrafters.plot.util.block.GlobalBlockQueue$1.run(GlobalBlockQueue.java:48)
at com.intellectualcrafters.plot.util.block.GlobalBlockQueue$1.run(GlobalBlockQueue.java:44)
at com.intellectualcrafters.plot.object.RunnableVal2.run(RunnableVal2.java:16)
at com.intellectualcrafters.plot.util.block.GlobalBlockQueue$2.run(GlobalBlockQueue.java:109)
at org.bukkit.craftbukkit.v1_7_R4.scheduler.CraftTask.run(CraftTask.java:71)
at org.bukkit.craftbukkit.v1_7_R4.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:346)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:905)
at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:432)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:841)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:693)
at java.lang.Thread.run(Unknown Source)

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