In the error message the solution is present, install the addon: https://chrome.google.com/webstore/detail/restfox-cors-helper/pgoncladmcclnmilkbnmmbldcihdgfnf

In the error message the solution is present, install the addon: https://chrome.google.com/webstore/detail/restfox-cors-helper/pgoncladmcclnmilkbnmmbldcihdgfnf https://chrome.google.com/webstore/detail/restfox-cors-helpe... There's also a FF one.