npm run dev 동작 에러

Failed to parse source map from 'C:\Users\user\Desktop\boilerplate-mern-stack-master\client\node_modules\mutationobserver-shim\dist\mutationobserver.map' file: Error: ENOENT: no such file or directory, open 'C:\Users\user\Desktop\boilerplate-mern-stack-master\client\node_modules\mutationobserver-shim\dist\mutationobserver.map'

[1]

[1] ERROR in ./node_modules/antd/es/version/index.js 2:15-22

[1] Should not import the named export 'version' (imported as 'version') from default-exporting module (only default export is available soon)

이런 에러가 뜨는데 어떻게 해결하나요...도와주세요