mistake upgraded to PS4

[cadrian]

Pease help me , i upgraded for mistake to PS4 system and now i cant play in my PS3, i contacted to SONY for this issue and them cant do nothing i think the problem is the upgraded to PS4 i even dnt it have it yet , just my old PS3.Hope u can help me thanks.
When i try to play it say next error:

No valid service acount is available to play final fantasy xiv a realm reborn
In order to play final fantasy xiv a realm reborn you must first purchase the digital download from the playstation store or register a poduct code.

I just pay the current month yesterday saturday 31 may of 2014, i buy the game in november of last year in disc and even i download the digital version, i try to reinstallit several times but still shows same mesage of error.