Originally Posted by
Xandrios
It means that cheapoair has booked the ticket in a different country than what you have selected when entering the AF website. Just click on the link and it will bring you to the AF website in the country cheapoair operates from. This is perfectly normal and very common

Yes, had to do the same yesterday with a flight from US back to UK. All I did was sign in under Airfrance.co.uk rather than .com.