I [npm start] from [...\Vue-Tutorial-Agenda-App-master\agenda-app\start-here] was OK. And from [...\MDB-Vue-Pro-5.1.0\my-project] as bad.

The [Vue-Tutorial-Agenda-App-master] and [MDB-Vue-Pro-5.1.0] was dependent on different version of node? how can i pass it?

There is the error log.

0 info it worked if it ends with ok 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 'start' ] 2 info using npm@6.5.0 3 info using node@v11.9.0 4 verbose stack Error: missing script: start 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:115:5 4 verbose stack at C:\Program Files\nodejs\node_modules\npm\node_modules\read-package-json\read-json.js:418:5 4 verbose stack at checkBinReferences_ (C:\Program Files\nodejs\node_modules\npm\node_modules\read-package-json\read-json.js:373:45) 4 verbose stack at final (C:\Program Files\nodejs\node_modules\npm\node_modules\read-package-json\read-json.js:416:3) 4 verbose stack at then (C:\Program Files\nodejs\node_modules\npm\node_modules\read-package-json\read-json.js:160:5) 4 verbose stack at C:\Program Files\nodejs\node_modules\npm\node_modules\read-package-json\read-json.js:280:12 4 verbose stack at C:\Program Files\nodejs\node_modules\npm\node_modules\graceful-fs\graceful-fs.js:90:16 4 verbose stack at FSReqCallback.readFileAfterClose [as oncomplete] (internal/fs/read_file_context.js:54:3) 5 verbose cwd c:\mywork\MDB-Vue-Pro-5.1.0\my-project 6 verbose Windows_NT 10.0.17134 7 verbose argv "C:\Program Files\nodejs\node.exe" "C:\Program Files\nodejs\node_modules\npm\bin\npm-cli.js" "start" 8 verbose node v11.9.0 9 verbose npm v6.5.0 10 error missing script: start

11 verbose exit [ 1, true ]