I've been getting emails from Sony saying this exactly:
Greetings thechrosis,
We regret to inform you that your EQ2 subscription is about to be de-activated because the credit card number that you provided upon registration for this account is invalid. In order to maintain or re-activate your subscription, you will need to launch EQ2 and click on the My Account or Edit Subscription button located on the LaunchPad. When prompted, please enter a valid credit card number, SOE Game Card code* or other accepted method of payment.
* Sony Online Entertainment Game Cards cannot be used as payment for Station Access or Station Pass.
Please note that you will be unable to log into any game or official forum until your subscription is activated with a valid method of payment.
Thank you,
Sony Online Entertainment
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Im wondering if anyone else has gotten this? It says im going to be un able to log into any account untill i have a valid credit card..but I am still able to log in and play.