YAMLException: end of the stream or a document separator is expected at line 1, column 29: cacheFolder: "./.yarn/cache", ^ at generateError (/usr/local/lib/node_modules/yarn/lib/cli.js:126542:10) at throwError (/usr/local/lib/node_modules/yarn/lib/cli.js:126548:9) at readDocument (/usr/local/lib/node_modules/yarn/lib/cli.js:127914:5) at loadDocuments (/usr/local/lib/node_modules/yarn/lib/cli.js:127950:5) at load (/usr/local/lib/node_modules/yarn/lib/cli.js:127971:19) at safeLoad (/usr/local/lib/node_modules/yarn/lib/cli.js:127993:10) at parse (/usr/local/lib/node_modules/yarn/lib/cli.js:64242:18) at module.exports.exports.default (/usr/local/lib/node_modules/yarn/lib/cli.js:63793:96) at loadRcFile (/usr/local/lib/node_modules/yarn/lib/cli.js:57527:58) at /usr/local/lib/node_modules/yarn/lib/cli.js:57501:14