[FastSpring API] (!) Error received: 0

[codesmith55]

(index):1 Access to XMLHttpRequest at 'https://newblue.onfastspring.com/popup-main/builder' from origin 'https://www.newbluefx.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.

We were creating a new product in fastspring and everything just broke. Our entire live website is now non-functional.

[shohag121]

Add product in Storefront -> Popup / Embedded Storefront -> Products The issue will be resolved.