Go to payment page, .. (after the one where they ask you if you want to add MCG experience etc, "Extras")
And hit "Remove"
Then hit the "OK"
And you should end up back here, ...
And you're ready to start again. (Yes, you have to go through from here, re select game, res elect Members, re enter barcode)
Everyone typed their Barcode into a Notepad doc so as to copy & paste from it already??