Hi,
We are unable to login through your FTP refer this error:
http://prntscr.com/qdizf8
Share your valid FTP.
We are unable to detect the customizer plugin at the time of plugin editing from the in editor.
Or you can do like this:
http://prntscr.com/qdj0yc
function add_cors_http_header(){
header("Access-Control-Allow-Origin: *");
}
add_action('init','add_cors_http_header');