blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. jquery-1.8.3.min.js?…U&_cdn=cloudflare:2 And net::ERR_FAILED

[PatoFlamejanteTV]

I was on page https://store.steampowered.com/account/licenses/ when I entered the command in the console, but I got two errors:

Access to XMLHttpRequest at 'https://checkout.steampowered.com/checkout/addfreelicense' (redirected from 'https://store.steampowered.com/checkout/addfreelicense') from origin 'https://store.steampowered.com' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource.

jquery-1.8.3.min.js?…U&_cdn=cloudflare:2 

GET https://checkout.steampowered.com/checkout/addfreelicense net::ERR_FAILED

[PatoFlamejanteTV]