[05:28:45] [Client thread/ERROR] [FML]: Caught exception from CarpentersBlocks
java.lang.IllegalArgumentException: Parameter 'directory' is not a directory
at org.apache.commons.io.FileUtils.validateListFilesParameters(FileUtils.java:545) ~[commons-io-2.4.jar:2.4]
at org.apache.commons.io.FileUtils.listFiles(FileUtils.java:521) ~[commons-io-2.4.jar:2.4]
at org.apache.commons.io.FileUtils.listFiles(FileUtils.java:691) ~[commons-io-2.4.jar:2.4]
at com.carpentersblocks.util.handler.DesignHandler.preInit(DesignHandler.java:70) ~[DesignHandler.class:?]
at com.carpentersblocks.proxy.CommonProxy.preInit(CommonProxy.java:33) ~[CommonProxy.class:?]
at com.carpentersblocks.CarpentersBlocks.preInit(CarpentersBlocks.java:41) ~[CarpentersBlocks.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_04-ea]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) ~[?:1.7.0_04-ea]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.7.0_04-ea]
...

I'd say, running DEOBF is not a good way to determine if YOUR mod is unpackaged. Maybe someone else wants to test their mod against yours?

I don't load mods within the environment, so I'm only assuming this fixes it. Just let me know if it's still broken.

Yes, this works perfectly. Thank you!