The request failed due to failure of a previous request.","code":"SC424

Hi 

I am getting this error when I try and connect to my adobe sign - my account says i have access to all the 'tools' and e-signing - do I need a different subscription for adobe esign seperately or what might the issue be? thanks in advance 

{"message":"The request failed due to failure of a previous request.","code":"SC424","suberrors":[{"message":"[access_denied] Your product edition does not support account scopes","name":"InvalidConfigurationError"}]}