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Issue description:

when you place a miner with blacklist after about minute it crashes with this message:
crash-2017-08-31_21.06.27-server.txt

Steps to reproduce:

1.place miner in world

Version (make sure you are on the latest version before reporting):

Forge: forge-1.10.2-12.18.3.2316
Mekanism: Mekanism-1.10.2-9.2.3.97
Other relevant version: using ender chest if it is important

If a (crash)log is relevant for this issue, link it here: (It's almost always relevant)

java.lang.NullPointerException: Ticking block entity
at mekanism.common.util.MinerUtils.getDrops(MinerUtils.java:35)
at mekanism.common.tile.TileEntityDigitalMiner.onUpdate(TileEntityDigitalMiner.java:267)
at mekanism.common.tile.prefab.TileEntityBasicBlock.func_73660_a(TileEntityBasicBlock.java:78)
at net.minecraft.world.World.func_72939_s(World.java:1804)
at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:620)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:709)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:613)
at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:240)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:471)
at java.lang.Thread.run(Unknown Source)

[gist/pastebin/etc link here]

Duplicate of #4637

Is fixed and will be available in the next release.