Game crashed when I right clicked the Digital Miner. After loading my game and clicking again, it did not crash.

Crashlog:

http://pastebin.com/s09PkTCF

java.lang.NullPointerException: Rendering screen
at mekanism.common.OreDictCache.getOreDictStacks(OreDictCache.java:65)
at mekanism.client.gui.GuiDigitalMinerConfig.updateStackList(GuiDigitalMinerConfig.java:628)
at mekanism.client.gui.GuiDigitalMinerConfig.func_146979_b(GuiDigitalMinerConfig.java:385)

Should be fixed. No idea why, but there's a null key in your OreDict.