This article covers
How do I set the Content Security Policy (CSP) headers?
How do I narrow down the restrictions as much as possible using the CSP headers?
follow the instruction from the link given below:
But as a result, You can see more errors from the Chrome developer console when opening the Chargebee portal. Please see the screenshot:
In CSP headers you have currently only included Chargebee
If you are using any gateway, eg: Cybersource gateway, the URL will get blocked because the Cybersource CSP headers aren’t being set as well, so you would need to include Cybersource headers
In addition to that you may need to modify your Chargebee CSP headers as laid out below: