When I build my app on prod mode (–prod) I got an error :
ionic>node node_modules\@ionic\app-scripts\bin\ionic-app-scripts.js build --prod
[15:46:07] ionic-app-scripts 0.0.47
[15:46:07] build prod started ...
[15:46:07] clean started ...
[15:46:07] clean finished in less than 1 ms
[15:46:07] copy started ...
[15:46:07] ngc started ...
[15:46:32] ngc finished in 24.63 s
[15:46:32] webpack started ...
(node:2296) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejection id: 1): SyntaxError: Unexpected token u in JSON at position 0
[15:46:33] copy finished in 25.19 s
with nodejs 6.9.2
any ideas?