The disagreement is reportedly over cost and new revenue streams.
The New York Times reports that there's a dispute between EA, the developer of the FIFA games, and FIFA, the worldwide football organization. We now have a clue to why EA Sports is considering changing the name of FIFA, its giant football franchise. There will be a limited number of consoles available, but if you want to be within a chance, all you need to do is register for an invitation using your email and PSN ID. According to the FAQ page, invitations are limited, and will be based on 'previous interests and PlayStation activities'. However, not just anyone with a PSN account will be invited.
On today's IGN The Fix: Games, Sony has opened up a direct registration system that will give those in the US a chance to purchase a PS5 this holiday season.