When i'm launching the game, it's crashing and says:
[16:00:20 INFO]: Client> Exception in thread "main" com.google.gson.JsonSyntaxException: java.lang.IllegalStateException: Expected BEGIN_OBJECT but was STRING at line 1 column 1
[16:00:20 INFO]: Client> at com.google.gson.Gson.fromJson(Gson.java:815)
[16:00:20 INFO]: Client> at com.google.gson.Gson.fromJson(Gson.java:768)
[16:00:20 INFO]: Client> at com.google.gson.Gson.fromJson(Gson.java:717)
[16:00:20 INFO]: Client> at net.minecraft.client.main.Main.main(SourceFile:120)
[16:00:20 INFO]: Client> Caused by: java.lang.IllegalStateException: Expected BEGIN_OBJECT but was STRING at line 1 column 1
[16:00:20 INFO]: Client> at com.google.gson.stream.JsonReader.beginObject(JsonReader.java:374)
[16:00:20 INFO]: Client> at com.google.gson.internal.bind.MapTypeAdapterFactory$Adapter.read(MapTypeAdapterFactory.java:183)
[16:00:20 INFO]: Client> at com.google.gson.internal.bind.MapTypeAdapterFactory$Adapter.read(MapTypeAdapterFactory.java:145)
[16:00:20 INFO]: Client> at com.google.gson.Gson.fromJson(Gson.java:803)
[16:00:20 INFO]: Client> ... 3 more
[16:00:20 ERROR]: Game ended with bad state (exit code 1)
[16:00:20 INFO]: Deleting C:\Users\daniel\AppData\Roaming\.minecraft\versions\13w47e\13w47e-natives-1209342923417932
[16:00:20 INFO]: Ignoring visibility rule and showing launcher due to a game crash