If you were supposed to get an email from the forum but didn't (e.g. to verify your account for registration), email Wes at stararmy@gmail.com or talk to me on Discord for help. Sometimes the server hits our limit of emails we can send per hour.
One final thing, check the Taipan and The Black Vipers Wiki pages and edit in your preferred positions as that will be where you will be on the ship. You're free to be assigned wherever you want.
The crew rooms say "doubles" so I assume there are two beds in each? Why is each room assigned only one member? If I'm wrong in that, feel free to correct me.