The serve command requires to be run in an Angular project, but a project definition could not be found
Error Detail: The serve command requires to be run in an Angular project, but a project definition could not be found We can fix this error by running the following command: Go to the project directory and execute the command to Uninstall global: >> npm uninstall -g angular-cli Then, Reset Cache: >> npm cache clean Then, Install latest CLI: >> npm install -g @angular/cli@latest Note: You don’t need to this command [ npm cache clean –force ], if you don't have any problem during the installation.