error

gistfile1.txt

From Console: com.google.gson.JsonSyntaxException: java.lang.IllegalStateException: Expected BEGIN_OBJECT but was STRING at line 1 column 1
From Console: at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:176)
From Console: at com.google.gson.Gson.fromJson(Gson.java:803)
From Console: at com.google.gson.Gson.fromJson(Gson.java:741)
From Console: at net.feed_the_beast.launcher.json.JsonFactory.loadVersion(JsonFactory.java:31)
From Console: at net.ftb.gui.LaunchFrame.launchMinecraftNew(LaunchFrame.java:1050)
From Console: at net.ftb.gui.LaunchFrame.setupNewStyle(LaunchFrame.java:852)
From Console: at net.ftb.gui.LaunchFrame.runGameUpdater(LaunchFrame.java:765)
From Console: at net.ftb.gui.LaunchFrame.access$600(LaunchFrame.java:121)
From Console: at net.ftb.gui.LaunchFrame$13.done(LaunchFrame.java:689)
From Console: at javax.swing.SwingWorker$5.run(Unknown Source)
From Console: at javax.swing.SwingWorker$DoSubmitAccumulativeRunnable.run(Unknown Source)
From Console: at sun.swing.AccumulativeRunnable.run(Unknown Source)
From Console: at javax.swing.SwingWorker$DoSubmitAccumulativeRunnable.actionPerformed(Unknown Source)
From Console: at javax.swing.Timer.fireActionPerformed(Unknown Source)
From Console: at javax.swing.Timer$DoPostEvent.run(Unknown Source)
From Console: at java.awt.event.InvocationEvent.dispatch(Unknown Source)
From Console: at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
From Console: at java.awt.EventQueue.access$200(Unknown Source)
From Console: at java.awt.EventQueue$3.run(Unknown Source)
From Console: at java.awt.EventQueue$3.run(Unknown Source)
From Console: at java.security.AccessController.doPrivileged(Native Method)
From Console: at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
From Console: at java.awt.EventQueue.dispatchEvent(Unknown Source)
From Console: at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
From Console: at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
From Console: at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
From Console: at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
From Console: at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
From Console: at java.awt.EventDispatchThread.run(Unknown Source)
From Console: Caused by: java.lang.IllegalStateException: Expected BEGIN_OBJECT but was STRING at line 1 column 1
From Console: at com.google.gson.stream.JsonReader.beginObject(JsonReader.java:374)
From Console: at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:165)
From Console: ... 28 more

JSON file

{
  "minecraftArguments": "--username ${auth_player_name} --gameDir ${game_directory} --version ${version_name} --assetsDir ${game_assets} --uuid ${auth_uuid} --accessToken ${auth_access_token} --tweakClass cpw.mods.fml.common.launcher.FMLTweaker",

 "libraries": [
    {
      "name": "net.minecraftforge:forge:1.7.2-10.12.1.1079"
    },
    {
      "name": "net.minecraft:launchwrapper:1.9"
    },
    {
      "name": "org.ow2.asm:asm-all:4.1"
    },
    {
      "name": "org.scala-lang:scala-library:2.10.2"
    },
    {
      "name": "org.scala-lang:scala-compiler:2.10.2"
    },
    {
      "name": "lzma:lzma:0.0.1"
    }
  ],
  "mainClass": "net.minecraft.launchwrapper.Launch",
  "id": "1.7.2-10.12.1.1079"
}