Error loading file in VP online


I recently created a UML class diagram in VP online. However, when I try to open it now, it shows an error saying ‘ is undefined’.

Is this bug known? And is there any chance to recover my file, because it took hours to create the diagram …

Thanks in advance,


Hi Lukas,

We apologize for this issue. In order to diagnose the problem and possibly restore your work, we would like to collect your account information and information about your work environment. Could you submit a ticket at the URL below with your account information, a description, and a screenshot describing the problem?

We look forward to hearing from you.

Best regards,
Jick Yeung