[16:30:16] [Server thread/INFO] [Morpheus/]: gatorspawner999 is now sleeping. 1/2 - 1 miners (100%)
[16:31:05] [Server thread/DEBUG] [FML/]: Gathering id map for writing to world save Biome Bundle
[16:31:23] [Server thread/ERROR] [FML/]: Exception caught during firing event net.minecraftforge.fml.common.gameevent.TickEvent$ServerTickEvent@f3094da:
java.lang.ClassCastException: net.minecraft.block.BlockAir cannot be cast to appeng.block.crafting.BlockCraftingUnit
	at appeng.tile.crafting.TileCraftingTile.isAccelerator(TileCraftingTile.java:117) ~[TileCraftingTile.class:?]
	at appeng.tile.crafting.TileCraftingTile.getItemFromTile(TileCraftingTile.java:85) ~[TileCraftingTile.class:?]
	at appeng.tile.crafting.TileCraftingTile.onReady(TileCraftingTile.java:125) ~[TileCraftingTile.class:?]
	at appeng.hooks.TickHandler.onTick(TickHandler.java:229) ~[TickHandler.class:?]
	at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_733_TickHandler_onTick_TickEvent.invoke(.dynamic) ~[?:?]
	at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90) ~[ASMEventHandler.class:?]
	at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:632) [EventBus.class:?]
	at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:588) [EventBus.class:?]
	at net.minecraftforge.fml.common.FMLCommonHandler.onPostServerTick(FMLCommonHandler.java:261) [FMLCommonHandler.class:?]
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:657) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:471) [MinecraftServer.class:?]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_131]