Insights-client data upload attempt failed with Reason 404 Not Found

Issue

• Before 28th May 2025, Insights-client data Upload attempt 1 of 1 failed! Reason: 404: Not Found

  # insights-client 
  Starting to collect Insights data for client.example.com
  Writing RHSM facts to /etc/rhsm/facts/insights-client.facts ...
  Uploading Insights data.
  Upload attempt 1 of 1 failed! Reason: 404: Not Found
  All attempts to upload have failed!
  Please see /var/log/insights-client/insights-client.log for additional information
  Upload failed.
  

• The same command fails with a different error, after 28th May:

  Uploading Insights data.
  Upload attempt 1 of 1 failed! Reason: HTTPSConnectionPool(host='capsule.example.com', port=443): Max retries exceeded with url: /redhat_access/r/insights/ingress/v1/upload (Caused by SSLError(SSLError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:897)'),))
  All attempts to upload have failed!