Zuora JS library throws unhandled javascript errors "Uncaught SyntaxError: Unexpected token p"

[Zuora-Community]

Known Issue: Zuora JS library throws unhandled javascript errors shortly after iFrame is loaded when there is another javascript library on the page utilising window.postMessage API. Errors are thrown on regular basis and look like these: Uncaught SyntaxError: Unexpected token p Uncaught SyntaxError: Unexpected token D Uncaught SyntaxError: Unexpected token F    

Reference Number: PAY-7008

Status: Zuora Engineering team is working on a fix.