Good day @RB79
Thank you for posting to the PayPal community.
This error typically indicates a redirection issue.
I would suggest to please contact your website developer or the support of the third party platform (eCommerce) regarding the integration code. It is the responsibility of the merchant to handle their internal database and website code.
If you notice many Failed or Retrying entries, it is likely that the reason behind the delay in IPN failure to send HTTP 200 OK responses. To resolve this issue, you should review your server logs to identify why the required HTTP 200 OK responses are not being sent and fix your listener accordingly. Once your listener starts sending the required HTTP 200 OK responses, PayPal will post IPNs from the faster-cycling server.
If you encounter any issues with receiving the IPN or validating it, kindly create an MTS ticket via the following URL - https://www.paypal-support.com/s/?language=en_US .Please ensure that you provide detailed information and error details when submitting the ticket.
Sincerely,
Kavya
PayPal MTS
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