missing script : dev

0 info it worked if it ends with ok 1 verbose cli [ 1 verbose cli 'C:\\Program Files\\nodejs\\node.exe', 1 verbose cli 'C:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js', 1 verbose cli 'run', 1 verbose cli 'dev' 1 verbose cli ] 2 info using npm@6.14.8 3 info using node@v14.9.0 4 verbose stack Error: missing script: dev 4 verbose stack at run (C:\Program Files\nodejs\node_modules\npm\lib\run-script.js:155:19) 4 verbose stack at C:\Program Files\nodejs\node_modules\npm\lib\run-script.js:63:5 4 verbose stack at C:\Program Files\nodejs\node_modules\npm\node_modules\read-package-json\read-json.js:116:5 4 verbose stack at C:\Program Files\nodejs\node_modules\npm\node_modules\read-package-json\read-json.js:436:5 4 verbose stack at checkBinReferences_ (C:\Program Files\nodejs\node_modules\npm\node_modules\read-package-json\read-json.js:391:45) 4 verbose stack at final (C:\Program Files\nodejs\node_modules\npm\node_modules\read-package-json\read-json.js:434:3) 4 verbose stack at then (C:\Program Files\nodejs\node_modules\npm\node_modules\read-package-json\read-json.js:161:5) 4 verbose stack at C:\Program Files\nodejs\node_modules\npm\node_modules\read-package-json\read-json.js:281:12 4 verbose stack at C:\Program Files\nodejs\node_modules\npm\node_modules\graceful-fs\graceful-fs.js:123:16 4 verbose stack at FSReqCallback.readFileAfterClose [as oncomplete] (internal/fs/read_file_context.js:63:3) 5 verbose cwd C:\Users\USER\Dropbox\내 PC (DESKTOP-JKR6MFR)\Downloads\boilerplate-mern-stack-master\client 6 verbose Windows_NT 10.0.18363 7 verbose argv "C:\\Program Files\\nodejs\\node.exe" "C:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "run" "dev" 8 verbose node v14.9.0 9 verbose npm v6.14.8 10 error missing script: dev 11 verbose exit [ 1, true ]