Some sellers recently may have started receiving unexpected email notifications along these lines:
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Notification sent to [Your Display Name Here]
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This is a notification that for the transaction XXXXXXXXXXXXXXXX, we were unable to notify your server at
http://www.example.com/some/path.html
as we we received the error: HTTP Error 404
This is occurring because we have recently improved our error reporting for sellers using our optional custom/3rd-party Integration feature documented here:
http://www.e-junkie.com/ej/help.integration.htm
The Integration feature itself has not changed, so if you haven't recently added/changed your Integration URL settings and are suddenly receiving these new error reports "out of the blue", that indicates you have an invalid Integration URL setting that never worked properly with this feature, which previously wasn't getting reported due to the type of error, rather than anything that just stopped working right now. This would not have affected our ability to process orders for you, because this optional feature only forwards the order data to an external server for additional custom needs after we're already done processing the order for you.
To fix this, look in your Seller Admin > Account Preferences > Common Notification URL, and/or the Payment Variable Information URL in the settings of any product with Send Transaction Data to a URL enabled. When you find the URL referenced by the error notification, you can just delete that URL. Remember to click Next (if necessary) until you can Submit changes.
Many of these new error notifications may be getting sent to sellers who simply misunderstood what these URL settings were for, so they guessed at putting something like a normal Web page URL or an email address in there, neither of which could do anything with the data this feature would transmit to it. We cleaned up most of the obvious mistakes of this nature before going live with the new error reporting, but a few of you out there apparently had some less-obvious mistakes that we overlooked. If you have any concerns, feel free to forward your new error notifications to us for further advice:
https://www.e-junkie.com/ej/contact.php