the e-8210604a error :
- Go to Settings.
- Go to account > account management.
- Next, go to account information then to your wallet.
- Click on add funds.
This way you can add the amount of money directly to your account and you’ll be able to buy what you want with your debit, credit card or PayPal without that annoying error.
This workaround will help many of you on fixing PS4 error e-8210604a..