[package.json file (https://i.stack.imgur.com/M5r3q.png)
npm ERR! Could not resolve dependency: npm ERR! peer zone.js@"~0.10.3" from @angular/[email protected] npm ERR! node_modules/@angular/core npm ERR! @angular/core@"~11.0.9" from the root project npm ERR! peer @angular/core@"^11.0.2" from @angular-material-extensions/[email protected] npm ERR! node_modules/@angular-material-extensions/select-country npm ERR! @angular-material-extensions/select-country@"^4.0.3" from the root project npm ERR! 2 more (@angular/cdk, @angular/common) npm ERR! npm ERR! Fix the upstream dependency conflict, or retry npm ERR! this command with --force or --legacy-peer-deps npm ERR! to accept an incorrect (and potentially broken) dependency resolution. npm ERR! ]
You must be using version cli 11.0.9. So try using:
npm i @angular-devkit/[email protected] --force