Originally Posted by pazza2000

Yes I’ve had similar issues, did the original booking for which the voucher is deprived from feature multiple surnames? If so, even if you requested one eVoucher, as the lead, and the eVoucher shows your name within the email, it may still be associated with a different surname on the original booking from which it came. It’s been suggested it is the first or last surname from the passenger list, however in my case if was the surname from passenger #2

Still don’t know the rule or rhyme as to which surname should be linked, and you only get 2/3 attempts before the voucher is locked for 24hrs