This version of CLI is only compatible with Angular versions 0.0.0 || ^9.0.0-beta || >=9.0.0 <10.0.0 code example

Example: This version of CLI is only compatible with Angular versions 0.0.0 || ^10.0.0-beta || >=10.0.0 <11.0.0, but Angular version 9.1.3 was found instead.

npm install --save -dev @angular/cli@latest