A Parser-blocking, cross-origin script, http://munchkin.marketo.net/munchkin.js, is invoked via document.write. This may be blocked by the browser if the device has poor network connectivity. See https://www.chromestatus.com/feature/5718547946799104 for more details.
I don't know what your question is, but yes, this is console output from Chrome. No, it is not worthy of concern.