I do not have a Support and Maintenance Account, but I am a RWS LiceScience Medical Translator.

Marcela Andere We will be pleased to help you with this problem so have logged a support case on your behalf. You will be contacted at the email address used for this Community. Support Case Id : 00677585 .
Marcela Andere We will be pleased to help you with this problem so have logged a support case on your behalf. You will be contacted at the email address used for this Community. Support Case Id : 00677585 .
Via a remote session we managed to solve the issue by resetting Studio to its's basic settings. We then were able to connect to the SDL Machine Translation Cloud plugin and receive suggestions.
Again with the same error! :-(