Failed to execute 'postMessage' on 'DOMWindow': The target origin provided ('https://sandbox.eu.zuo
I am implementing the external submit button for our billing page to submit credit card details. I am following the instructions given in the these references.
After submission , I am getting following error and same billing page is rendered inside the iframe.
zuora-min.js:27 Failed to execute 'postMessage' on 'DOMWindow': The target origin provided ('https://sandbox.eu.zuora.com') does not match the recipient window's origin
I have the callback path setup in hosted pages as "/payment/response".
can anyone help on this?