How do I retrieve my diagram saved online? It is not letting me open the last saved diagram

How do I retrieve my diagram saved online? It is not letting me open the last saved diagram.
This is a pissed off user experience and a malpractice by the company.
Do not do this. If I do not get my diagram back, I will never use your product ever again and will never advise anyone to use your product.

Would you please send me your VP Online login ID (to support-team@visual-paradigm.com) so that I can help?