cros 에러

Access to XMLHttpRequest at 'https://jsonplaceholder.typicode.com/users' from origin 'http://localhost:8080' 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.

App.vue?234e:41 Error: Network Error

    at createError (createError.js?8df4:16)

    at XMLHttpRequest.handleError (xhr.js?a5f5:83)

xhr.js?a5f5:178 POST https://jsonplaceholder.typicode.com/users net::ERR_FAILED

이런 에러가 나는데 ㅠ 다른 글 보니까 뭐 됐다 안됐다 한다는데 저는 20분정도 계속해보는데 안되네요ㅜ

뭐가 문제일까요