PS4 not allowing me to redeem my code for Playstation Plus

I purchased a one year membership from gamestop this mourning, and ps network isn't allowing me to redeem my code Anyone else having this problem, or any suggestions?

Over on Amazon, there's a note under their page saying PSN is overloaded with people redeeming codes and it may take some time:

Please note: Due to high volume on Sony's PlayStation Network service, some users may experience network latency. Sony is aware of the issue and working to resolve it as quickly as possible. We are sorry for the inconvenience and appreciate your patience.

If you have a PS3 you can still redeem codes on it, as for the PS4, we may have to wait a day or two for all the new PS4 owners to settle down.

EDIT: Sorry I must have just gotten lucky, because it looks like PSN on PS3 is now completely down.

Mine didn't work on launch as we'll I waited a few days and it did

try using it in all caps ur code and use the hyphens if u havent

i bought a year of playstation plus on amazon and the code didnt work calling customer service soon x.x