Alexa Control Fail on Entering Password (Amazon Echo Control RC 1)

@michi
Hi, I am using Amazon Echo Control RC 1
I have 1 Amazon account set-up and working.
When I try to set-up a second I get a json parsing error in the logs

HTTP ERROR 500
Problem accessing /amazonechocontrol/Test/ap/signin. Reason:

Server Error

and then a
om.google.gson.JsonSyntaxException: java.lang.IllegalStateException: Expected BEGIN_OBJECT but was STRING at line 8 column 1 path $
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:224)
at com.google.gson.Gson.fromJson(Gson.java:887)
at com.google.gson.Gson.fromJson(Gson.java:852)
at com.google.gson.Gson.fromJson(Gson.java:801)
at com.google.gson.Gson.fromJson(Gson.java:773)
… and heaps more stuff.

Has anyone seen this before or can anyone help?

The “xxxxx Open HAB Alexa Binding” device gets created in my amazon account. Everytime I try to authenticate again it creates another one. It created 9 before I realised and deleted them out and started again.
Thanks