This is the advice from the eBay Customer Service team for all 70xxx errors.
Basic troubleshooting steps like signing out, clearing browser history and signing back in are first steps to resolve these issues.
Then contact PayPal to check your account there.
If PayPal confirms no issues with payment on the member's end, eBay's Customer Service team can look deeper into the issue. eBay Customer Service will be able to give you a definite answer when you experience these issues.
You can call eBay or contact them on Facebook.com/eBay or Twitter.com/AskeBay
Note: Some members have reported that they have cleared these errors by deleting their saved payment info, ie Credit Card info. - http://pages.ebay.com/help/sell/updating-credit-card.html
Also: If using the mobile app, make sure you are using the latest version of the app.
eBay is continually updating this site. Some advice given may have changed. Please reply to this thread, to let us know if this advice works for you. The links on the bottom of any eBay page can help you deal with most eBay issues. Contact eBay Customer Service on Facebook.com/eBay or Twitter.com/AskeBay
