Saw the following in the log

[08:04:38] [main/WARN]: Generation entry 'coal_ore_example' failed to parse correctly, skipping. Check that the json is valid.
java.lang.IllegalArgumentException: Unable to parse IBlockState from String
at oreveins.util.ConfigHelper.getBlockState(ConfigHelper.java:187) ~[ConfigHelper.class:?]
at oreveins.util.ConfigHelper.getBlockStateList(ConfigHelper.java:116) ~[ConfigHelper.class:?]
at oreveins.vein.Indicator.(Indicator.java:25) ~[Indicator.class:?]
at oreveins.vein.VeinType.(VeinType.java:56) ~[VeinType.class:?]
at oreveins.vein.VeinTypeCluster.(VeinTypeCluster.java:25) ~[VeinTypeCluster.class:?]
at oreveins.RegistryManager$Type$$Lambda$456/1928655137.apply(Unknown Source) ~[?:?]
at oreveins.RegistryManager.registerAllVeins(RegistryManager.java:95) [RegistryManager.class:?]
at oreveins.OreVeins.postInit(OreVeins.java:87) [OreVeins.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_51]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_51]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_51]
at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_51]
at net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:624) [FMLModContainer.class:?]
at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source) ~[?:?]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_51]
at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_51]
at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) [guava-21.0.jar:?]
at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150) [guava-21.0.jar:?]
at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76) [guava-21.0.jar:?]
at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) [guava-21.0.jar:?]
at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71) [guava-21.0.jar:?]
at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) [guava-21.0.jar:?]
at com.google.common.eventbus.EventBus.post(EventBus.java:217) [guava-21.0.jar:?]
at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:218) [LoadController.class:?]
at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:196) [LoadController.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_51]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_51]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_51]
at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_51]
at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) [guava-21.0.jar:?]
at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150) [guava-21.0.jar:?]
at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76) [guava-21.0.jar:?]
at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) [guava-21.0.jar:?]
at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71) [guava-21.0.jar:?]
at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) [guava-21.0.jar:?]
at com.google.common.eventbus.EventBus.post(EventBus.java:217) [guava-21.0.jar:?]
at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:135) [LoadController.class:?]
at net.minecraftforge.fml.common.Loader.initializeMods(Loader.java:749) [Loader.class:?]
at net.minecraftforge.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:336) [FMLClientHandler.class:?]
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:534) [bib.class:?]
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:377) [bib.class:?]
at net.minecraft.client.main.Main.main(SourceFile:123) [Main.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_51]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_51]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_51]
at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_51]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) [launchwrapper-1.12.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]

That was a typo - "dead_bush" should be "deadbush". Should be fixed in 2.0.6