The Angular Compiler requires TypeScript >=2.7.2 and <2.8.0 but 2.8.3 was found instead

Question

I starting getting this error on my Angular app:

The Angular Compiler requires TypeScript >=2.7.2 and <2.8.0 but 2.8.3 was found instead

Answer 1

To upgrade, run the following commands in the terminal.

• Install the latest version of NPM

  npm install npm@latest -g
  

• Run audit

  npm audit  
  

• Update the NPM

  npm update
  

• Run the NPM run script.

  npm start
  

Now your compiler is ready.