Ionic 2 Duplicate identifier 'export='


#1

hello,
i’m getting this error after i run

ionic run android

that’s the error

1:32:27] Error: Error at C:/Users/adirz/myapps/HaverSami/node_modules/firebase/firebase.d.ts:409:3
[11:32:27] Duplicate identifier ‘export=’.
[11:32:27] Error at C:/Users/adirz/myapps/HaverSami/node_modules/@types/firebase/index.d.ts:326:2
[11:32:27] Duplicate identifier ‘export=’.
[11:32:27] ngc failed
[11:32:27] ionic-app-script task: “build”
[11:32:27] Error: Error