I was encountering the same issue here, preventing me from performing a migration. However, somehow one thing changed just now (not sure on my end or on the server) and after clicking on "Profile" in the top right got me the migration prompt.
This should not be closed. This is a technical problem with the website that I am also encountering.
I was encountering the same issue here, preventing me from performing a migration. However, somehow one thing changed just now (not sure on my end or on the server) and after clicking on "Profile" in the top right got me the migration prompt.