Request header field Access-Control-Allow-Headers is not allowed by Access-Control-Allow-Headers

Question

I\'m trying to send files to my server with a post request, but when it sends it causes the error:

Request header field Content-Type is not allowed by

Answer 1

Request header field Access-Control-Allow-Origin is not allowed by Access-Control-Allow-Headers error means that Access-Control-Allow-Origin field of HTTP header is not handled or allowed by response. Remove Access-Control-Allow-Origin field from the request header.