Помогите Crash Forestry

Forestry 1.5.2 || Не знаю в чем ошибка, все перерыл, помогите >.<

java.lang.NullPointerException
at forestry.core.gadgets.BlockStructure.func_71852_a(BlockStructure.java:33)
at net.minecraft.world.chunk.Chunk.func_76592_a(Chunk.java:686)
at net.minecraft.world.World.func_72832_d(World.java:764)
at net.minecraft.world.World.func_94571_i(World.java:956)
at net.minecraft.world.World.func_72939_s(World.java:2381)
at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:806)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:838)
at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:320)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:732)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:614)
at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)


A detailed walkthrough of the error, its code path and all known details is as follows:
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-- Head --
Stacktrace:
at forestry.core.gadgets.BlockStructure.func_71852_a(BlockStructure.java:33)
at net.minecraft.world.chunk.Chunk.func_76592_a(Chunk.java:686)
at net.minecraft.world.World.func_72832_d(World.java:764)
at net.minecraft.world.World.func_94571_i(World.java:956)
at net.minecraft.world.World.func_72939_s(World.java:2381)
at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:806)

Уж простите, но в тему с ошибками никто не заходит. А очень нужно.​