Getting 'CORS' error when trying to invoke the REST api (ORDS) from VBCS

Summary

When we are trying to register a service connection by endpoint in VBCS we are facing 'CORS issue' for some of us.

Content

When we are trying to register a service connection by endpoint in VBCS we are facing the below error - 

"You will need to set the connection type to 'Dynamic, the service doesn't support CORS' to connect to the server because CORS is not enabled for your server".

But the most confusing part is it is working for most of us, out 10 only 2 are facing the issue, is it system specific?

please find the info below -