I can't start Fortnite on PS5 due to the error message "Can't use this content. You are already using this content on a different console."
If you're receiving an error message Can't use this content. You are already using this content on a different console when trying to launch Fortnite on PS5, please try to enable the Console Sharing option by following this article:
If that does not work, please reach out to PlayStation support for further assistance here: https://www.playstation.com/support/ (Opens in a new tab)