When developing an SDK app we're getting this error: "XMLHttpRequest cannot load XXX No 'Access-Control-Allow-Origin' header".
We seem to continue to get this error despite stopping our debugger and even rebooting the machine.
What does this error mean? How can we fix it?
Access-Control-Allow-Origin header referred to in the error message is part of the CORS standard which allows our server to explicitly grant permission to your SDK development site, so that your browser can access the server's data.
A basic implementation would just include:
Access-Control-Allow-Origin: * in order to permit any website to read the data. For example: