I got an error message “We could not link your accounts”

Ensure your personal details (first name, surname, email address, and date of birth, if registered) match exactly across both accounts. You can update your details via the relevant programme’s website before attempting to link again.

If you have checked your personal details on both accounts and they match, please contact your loyalty programme directly for this to be investigated. British Airways Club members here, Qatar members here, Finnair members here, Iberia Club members here, AerClub members here, Vueling Club members here and Loganair Loyalty members here.