Error:Unauthorized when connecting to datalab instanc. My work is blocked :-(

[OrielResearchCure]

Hello,

When using datalab connect command, i get the following message:

Error: Unauthorized
which does not have access to Cloud Shell 3026254.

When connecting with ssh, i get the following message:

Connection Failed
You cannot connect to the VM instance because of an unexpected error. Wait a few moments and then try again. (#79)

I tried creating a new machine and received the same message.
Any advice?

Many thanks,
Eila