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java.lang.NullPointerException: Ticking block entity	at sonar.calculator.mod.common.tileentity.machines.TileEntityAssimilator$Algorithm.harvestBlock(	at sonar.calculator.mod.common.tileentity.machines.TileEntityAssimilator.func_73660_a(	at	at	at net.minecraft.server.MinecraftServer.func_71190_q(	at net.minecraft.server.MinecraftServer.func_71217_p(	at net.minecraft.server.integrated.IntegratedServer.func_71217_p(	at	at