Hi Flying Manchester - sydney tomorrow with Etihad.

tried to check in online, message said ,not enough seats to check in , please check in at airport. Have pushed Etihad on twitter to get them to confirm there is no issue. Was pretty relaxed until their l
ast message said

' this may not be a seating issue but a documents issue, unfortunately I cannot comment further. Please be at airport as advised.'

As you can imagine not very helpful. Anyone else come across this ??