Invalid rule result: Instance of class Promise

Question

I work with Angular 7.1.4. I want to generate a new module with the following line;

ng g m order-process

But I encountered an error:

<         


        

Answer 1

Had this issue while using Using: @angular/cli 8.1.1, @angular-devkit/schematics 8.0.1, Node v8.9.4, Upgrading to Node 10 fixed it.