Callback was already called angular cli

Question

I updated my angular-cli then i got error in ng serve

 Callback was already called.
at throwError (node_modules\\neo-async\\async.js:14:11)
at node_modules\\neo-         


        

Answer 1

This error occurred because then compatible webpack version is higher then @angular-devkit/build-angular solution:- npm update @angular-devkit/build-angular --save-dev

let me know if it works