Angular cli build prod: TypeError: Cannot read property 'kind' of undefined

Question

I try to build project with Angular CLI ng build --prod and I get this error:

ERROR in TypeError: Cannot read property \'kind\' of undefi

Answer 1

This problem occurs by so many cases, one of the major reasons is installed version of @angular/cli is different to globally installed version of @angular/cli Make sure that both are same version. In other cases you have to update the devkit.

Please have a look on these threads, you will get an idea:

1. https://github.com/angular/angular-cli/issues/13172
2. https://github.com/angular/angular-cli/issues/13861