Angular CLI gives me “TypeError: callbacks[i] is not a function” when I “ng serve”

Question

I literally just made a fresh installation of the Angular CLI in order to try it out and I don\'t have a clue on what\'s causing the following error on the command line:

Answer 1

if npm install copy-webpack-plugin@4.3.1 doesn`t help try add in package.json:

"optionalDependencies": { "copy-webpack-plugin": "4.3.1" }, "resolutions": { "copy-webpack-plugin": "4.3.1" }