vue 소스 실행 안되는 오류 문의

 saju-frontend-vuejs 에서 npm install 을 한후 npm run serve 를 하면

ERROR Error: vuetify-loader is only for use with vuetify 2, replace it with webpack-plugin-vuetify

Error: vuetify-loader is only for use with vuetify 2, replace it with webpack-plugin-vuetify

at module.exports (C:\developer\svn\GiT_DIVIDE\PERSONAL\saju\saju-frontend-vuejs\node_modules\vue-cli-plugin-vuetify\index.js:32:13)

at C:\developer\svn\GiT_DIVIDE\PERSONAL\saju\saju-frontend-vuejs\node_modules\@vue\cli-service\lib\Service.js:78:7

at Array.forEach (<anonymous>)

at Service.init (C:\developer\svn\GiT_DIVIDE\PERSONAL\saju\saju-frontend-vuejs\node_modules\@vue\cli-service\lib\Service.js:76:18)

at Service.run (C:\developer\svn\GiT_DIVIDE\PERSONAL\saju\saju-frontend-vuejs\node_modules\@vue\cli-service\lib\Service.js:215:10)

at Object.<anonymous> (C:\developer\svn\GiT_DIVIDE\PERSONAL\saju\saju-frontend-vuejs\node_modules\@vue\cli-service\bin\vue-cli-service.js:36:9)

at Module._compile (internal/modules/cjs/loader.js:1114:14)

at Object.Module._extensions..js (internal/modules/cjs/loader.js:1143:10)

at Module.load (internal/modules/cjs/loader.js:979:32)

at Function.Module._load (internal/modules/cjs/loader.js:819:12)

와 같은 에러가 발생합니다. 2시간 동안 찾아봤지만 해결방법을 찾지 못해 도움을 구해봅니다. ㅠㅠㅠ 감사합니다.