It’s unavailable because you own it digitally, meaning they don’t want you to accidentally buy it again.
Somehow it just knows that you own the game and gives you a license to the PS5 version, but because it’s an upgrade it’s not the same version as the one you screenshot which is why people upgrading have to buy the DLC separately.
Somehow it just knows that you own the game and gives you a license to the PS5 version, but because it’s an upgrade it’s not the same version as the one you screenshot which is why people upgrading have to buy the DLC separately.