Angular: HttpClientModule import error (could not be resolved to an NgModule class)

Question

I was trying to build a simple app with crud on fake json server

but i can\'t import HttpClientModule

Here is error message from VS Code

Answer 1

First Stop ng serve and run these commands...

npm cache verify
rm -rf node_modules
npm install

After the installation build & run your project using the commands

ng build
ng serve

It works for me and solve the issue...