Log out. Give it another try in 2days. If not successful putit away. Get out confirmation, covid cards, passports and arrive at the pier. Know some say not allowed. It messes up the system but you can check your bags and check in for your cruise.
On our upcoming cruise all good on the first try including printing boarding passes. . .
Then started getting emails and texts again verifying we are vaccinated. Complete it each time with just a few clicks. And now my DH and I are now a group of 14!