cuando fui a esta carpeta, contiene todos los archivos, pero los códigos ng no funcionan

 Your environment has been set up for using Node.js 14.17.3 (x64) and npm. C:\Users\raj&sakthi>ng -v 'sakthi\AppData\Roaming\npm\' is not recognized as an internal or external command, operable program or batch file. internal/modules/cjs/loader.js:905 throw err; ^ Error: Cannot find module 'C:\Users\raj\node_modules\@angular\cli\bin\ng.js' [90m at Function.Module._resolveFilename (internal/modules/cjs/loader.js:902:15)[39m [90m at Function.Module._load (internal/modules/cjs/loader.js:746:27)[39m [90m at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:76:12)[39m [90m at internal/main/run_main_module.js:17:47[39m { code: [32m'MODULE_NOT_FOUND'[39m, requireStack: [] } C:\Users\raj&sakthi>node -v v14.17.3 C:\Users\raj&sakthi>npm -v 6.14.13