Your global Angular CLI version (12.0.0) is greater than your local version (9.1.15). The local Angular CLI version is used. code example

Example: Your global Angular CLI version is greater than your local version

# Install npm-check-updates
$ npm i -g npm-check-updates

# Run npm-check-updates with -u, will upgrade package.json
$ ncu -u

# Install updated packages
$ npm install