Facing this problem while building app for production release doCodegen

Ionic Framework ionic-v3
1

16:35:14] copy started …
[16:35:14] ngc started …
TypeError: Cannot read property ‘codeGen’ of undefined
at Object.doCodegen (F:\geopresence by a_l\version\geopresence_v2\node_modules@ionic\app-scripts\dist\aot\codegen.js:6:50)
at F:\geopresence by a_l\version\geopresence_v2\node_modules@ionic\app-scripts\dist\aot\aot-compiler.js:42:30
[16:35:19] copy finished in 5.26 s

2

What is your ionic info output?