I tried to create a sandbox user here: https://developer.ebay.com/DevZone/SandboxUser/
I've tried all different usernames, emails, passwords but always get "An Error Occurred":
Attachments: Up to 2 attachments (including images) can be used with a maximum of 512.0 KiB each and 1.0 MiB total.
Hi, I have the same problem. I looked in the developer tools and saw the error response of the server: "An error number "REG.BIZ.0" occurred while processing your request.", "eBay API failed".
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