If that doesn't help or you're on a wired connection, press Options on your connection then go to Advanced Settings and try changing your Primary / Secondary DNS settings to 8.8.8.8 / 8.8.4.4 ...

Restart your PS5 console; Use a wired connection to connect to the Internet; Move the PS5 closer to your router to improve connectivity; If any items are blocking the connection, move them out of ...

Call of Duty: Warzone updates often prevent access or cause installation problems on PS5. If you're running into this issue, ...