It's now working for me - The prices have gone up overnight though

I wanted to change the date on our cruise, it was initially showing availability for the alternative date at roundabout the same price we'd paid for earlier cruise; same ship, same stateroom, same deck.
I'd been trying since last night and kept getting a message saying no staterooms available for my party or chosen stateroom!
Good luck meremac, hope you get into the site and can sort whatever you hope to do