SW

1. Error yarn과 npm으로 graphql을 중복 설치하여 생긴 문제 Error: Cannot use GraphQLSchema "[object GraphQLSchema]" from another module or realm. Ensure that there is only one instance of "graphql" in the node_modules directory. If different versions of "graphql" are the dependencies of other relied on modules, use "resolutions" to ensure only one version is installed. https://yarnpkg.com/en/docs/selective-ver..

1. npm error npm ERR! code ELIFECYCLE npm ERR! errno 1 npm ERR! gql-apollo-react@1.0.0 start: `nodemon src/index.js` npm ERR! Exit status 1 npm ERR! npm ERR! Failed at the gql-apollo-react@1.0.0 start script. npm ERR! This is probably not a problem with npm. There is likely additional logging output above. npm ERR! A complete log of this run can be found in: npm ERR! C:\Users\KFL202007_2\AppData..