Join meeting not working on zoom Web sdk

I installed the CDN Web sdk version.
I used the web-sample-app from github. everything looks fine but when i click join meeting i get error
the requested url is not found on this server
Error
the requested url is not found on this server

Which App Type (OAuth / Chatbot / JWT / Webhook)?
JWT

Which Endpoint/s?
Knowing the API endpoint/s can help us to identify your issue faster. Please link the ones you need help/have a question with.

How To Reproduce (If applicable)
Steps to reproduce the behavior:

  1. Request URL / Headers (without credentials) / Body
  2. See error

Screenshots (If applicable)

Additional context
Add any other context about the problem here.

Hey @peterdafe,

That is strange, I have not seen this before. Are there any errors in the browser console?

Thanks,
Tommy