java.lang.Error: Unable to deobfuscate class obfuscated/Au (obfuscated/Au)
	at cuchaz.enigma.Deobfuscator.writeSources(Deobfuscator.java:316)
	at cuchaz.enigma.gui.GuiController$1.run(GuiController.java:110)
	at cuchaz.enigma.gui.ProgressDialog$1.run(ProgressDialog.java:98)
Caused by: java.lang.NullPointerException
	at cuchaz.enigma.Deobfuscator.getSourceTree(Deobfuscator.java:230)
	at cuchaz.enigma.Deobfuscator.writeSources(Deobfuscator.java:307)
	... 2 more