When you select Payoneer as your payment method in your Storyblocks account, click the link to begin the registration process as if you were applying for a new Payoneer account. Once on the Payoneer site, click the "Already have a Payoneer account?" link. Follow the on-screen instructions, and once completed your Storyblocks account should be connected to your Payoneer account.

You can find more detailed step by step instructions here: https://blog.payoneer.com/how-to/get-paid/how-to-add-multiple-partners-to-one-payoneer-account/

If you're still having trouble, we recommend reaching out to their support team.