That's a good question. You can find a list of our error codes at the site below.
Thank you for your post. We're happy to help. I took a look at your app on the developer portal. It looks like you have not certified your application with us. This step is required prior to processing transactions in production. The error is likely due to production data being processed using certification/sandbox credentials. Please feel free to reply here with any further questions or to reach out to us at [email protected].
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