I created a new angular 6 app, when I try to run the app using ng serve --open it gives this error. what might be causing the error and what should I do to fix this?
Could not find API compiler-cli, function VERSION Error: Could not find API compiler-cli, function VERSION
at _error (/home/linux/Documents/angu/my-app/node_modules/@ngtools/webpack/src/ngtools_api.js:8:11)
at getApiMember (/home/linux/Documents/angu/my-app/node_modules/@ngtools/webpack/src/ngtools_api.js:11:32)
at Object.<anonymous> (/home/linux/Documents/angu/my-app/node_modules/@ngtools/webpack/src/ngtools_api.js:50:19)
at Module._compile (internal/modules/cjs/loader.js:776:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:787:10)
at Module.load (internal/modules/cjs/loader.js:653:32)
at tryModuleLoad (internal/modules/cjs/loader.js:593:12)
at Function.Module._load (internal/modules/cjs/loader.js:585:3)
at Module.require (internal/modules/cjs/loader.js:690:17)
at require (internal/modules/cjs/helpers.js:25:18)
at Object.<anonymous> (/home/linux/Documents/angu/my-app/node_modules/@ngtools/webpack/src/angular_compiler_plugin.js:28:23)
at Module._compile (internal/modules/cjs/loader.js:776:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:787:10)
at Module.load (internal/modules/cjs/loader.js:653:32)
at tryModuleLoad (internal/modules/cjs/loader.js:593:12)
at Function.Module._load (internal/modules/cjs/loader.js:585:3)