java.util.concurrent.ExecutionException: java.lang.IllegalArgumentException: Cannot get property PropertyEnum{name=variant, clazz=class net.minecraft.block.BlockDirt$DirtType, values=[dirt, coarse_dirt, podzol]} as it does not exist in BlockStateContainer{block=minecraft:diamond_ore, properties=[]}
	at java.util.concurrent.FutureTask.report(Unknown Source) ~[?:1.8.0_101]
	at java.util.concurrent.FutureTask.get(Unknown Source) ~[?:1.8.0_101]
	at net.minecraft.util.Util.runTask(Util.java:26) [Util.class:?]
	at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:742) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:687) [MinecraftServer.class:?]
	at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:156) [IntegratedServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:536) [MinecraftServer.class:?]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_101]
Caused by: java.lang.IllegalArgumentException: Cannot get property PropertyEnum{name=variant, clazz=class net.minecraft.block.BlockDirt$DirtType, values=[dirt, coarse_dirt, podzol]} as it does not exist in BlockStateContainer{block=minecraft:diamond_ore, properties=[]}
	at net.minecraft.block.state.BlockStateContainer$StateImplementation.getValue(BlockStateContainer.java:196) ~[BlockStateContainer$StateImplementation.class:?]
	at net.minecraft.block.BlockDirt.getMetaFromState(BlockDirt.java:86) ~[BlockDirt.class:?]
	at net.minecraft.block.Block.getHarvestTool(Block.java:2148) ~[Block.class:?]
	at net.minecraftforge.common.ForgeHooks.canHarvestBlock(ForgeHooks.java:166) ~[ForgeHooks.class:?]
	at net.minecraft.block.Block.canHarvestBlock(Block.java:1292) ~[Block.class:?]
	at mod.items.Hammer.onBlockDestroyed(Hammer.java:97) ~[Hammer.class:?]
	at net.minecraft.item.ItemStack.onBlockDestroyed(ItemStack.java:392) ~[ItemStack.class:?]
	at net.minecraft.server.management.PlayerInteractionManager.tryHarvestBlock(PlayerInteractionManager.java:350) ~[PlayerInteractionManager.class:?]
	at net.minecraft.server.management.PlayerInteractionManager.blockRemoving(PlayerInteractionManager.java:265) ~[PlayerInteractionManager.class:?]
	at net.minecraft.network.NetHandlerPlayServer.processPlayerDigging(NetHandlerPlayServer.java:669) ~[NetHandlerPlayServer.class:?]
	at net.minecraft.network.play.client.CPacketPlayerDigging.processPacket(CPacketPlayerDigging.java:56) ~[CPacketPlayerDigging.class:?]
	at net.minecraft.network.play.client.CPacketPlayerDigging.processPacket(CPacketPlayerDigging.java:12) ~[CPacketPlayerDigging.class:?]
	at net.minecraft.network.PacketThreadUtil$1.run(PacketThreadUtil.java:15) ~[PacketThreadUtil$1.class:?]
	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) ~[?:1.8.0_101]
	at java.util.concurrent.FutureTask.run(Unknown Source) ~[?:1.8.0_101]
	at net.minecraft.util.Util.runTask(Util.java:25) ~[Util.class:?]