Gamestop psn network code on reciept doesnt work

Hey guys idk im having a problem... i bought this $20 psn code on a receipt from gamestop and it says may not be correct or it may not be a valid code... do i have to wait? or what? HELP PLEASE )::

 

Already been redeemed means it's already been used. I would take it back with the receipt and state it's already been used.

 

no its doesnt say redeem it says no valid or not correct

 

Yeah, BEFORE you edited your post you said it said redeemed. If it's invalid/incorrect then make sure you're entering it in properly. If it doesn't work, take it back to the store.

 

its a code on the reciept ughh does it take time to activate or something?

 

no, take it back is the best option. should come through instantly if it works.

 

They activate it when you buy it so it's supposed to activate right away so just take it back and complain, make sure you ask for a manager.