rxjs/Subject.d.ts error : Class 'Subject' incorrectly extends base class 'Observable'

Question

I extracted sample template code from this tutorial and did below two steps to get started -

1. npm install // worked fine and created node_modules folder

Answer 1

Add "noStrictGenericChecks": true in tsconfig.json file under "compilerOptions" node as shown in below image & build application. I have faced same error after adding this error resolved.