According to RMC Sport, PSG want 200M for Kylian Mbappé, and Mbappé wants to be paid for his 2023/24 season. Real Madrid are not willing to satisfy both, so one party will need to give in for the deal to go through.
RMC Sport:
PSG want €200M for Kylian Mbappé, and Mbappé wants to be paid for his 2023/24 season at PSG.
Real Madrid are not willing to pay for both, so one party will need to give in for the transfer to go through.
Madrid can't afford both because of their investment in the stadium.