[MCL-2559] Fatal error launching game

[12:46:07 FATAL]: Fatal error launching game. Report this to http://bugs.mojang.com please!
java.lang.NullPointerException
	at com.mojang.util.UUIDTypeAdapter.fromUUID(UUIDTypeAdapter.java:22) ~[launcher_mcpatched.jar:?]
	at net.minecraft.launcher.game.MinecraftGameRunner.getMinecraftArguments(MinecraftGameRunner.java:284) ~[launcher_mcpatched.jar:?]
	at net.minecraft.launcher.game.MinecraftGameRunner.launchGame(MinecraftGameRunner.java:173) ~[launcher_mcpatched.jar:?]
	at com.mojang.launcher.game.runner.AbstractGameRunner.onDownloadJobFinished(AbstractGameRunner.java:189) [launcher_mcpatched.jar:?]
	at com.mojang.launcher.updater.download.DownloadJob.popAndDownload(DownloadJob.java:120) [launcher_mcpatched.jar:?]
	at com.mojang.launcher.updater.download.DownloadJob.access$000(DownloadJob.java:12) [launcher_mcpatched.jar:?]
	at com.mojang.launcher.updater.download.DownloadJob$1.run(DownloadJob.java:89) [launcher_mcpatched.jar:?]
	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.7.0_55]
	at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.7.0_55]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [?:1.7.0_55]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [?:1.7.0_55]
	at java.lang.Thread.run(Unknown Source) [?:1.7.0_55]