Are you sure the card meets the criteria - from the same country as your psn account, same address as your psn account?
If all is OK, wait 48 hours before trying again, to allow the "suspicious activity" flag to clear from your account.
Are you sure the card meets the criteria - from the same country as your psn account, same address as your psn account?
If all is OK, wait 48 hours before trying again, to allow the "suspicious activity" flag to clear from your account.