Thank you very much for your feedback. I did not put the link to protect the privacy of my client. My point of contact is the Workfront admin. 

My client invited me to join Workfront. I clicked on the invitation with a token, and it worked. I was able to log in and communicate with my point of contact for one day. The next day, I tried to login, and I kept getting a connection error, like timed out. My point of contact tried to troubleshoot...