Cannot find symbol import com.google.firebase.iid.FirebaseInstanceIdService; ^ symbol: class FirebaseInstanceIdService location: package com.google.firebase.iid

ionic-v1
1

cannot find symbol
import com.google.firebase.iid.FirebaseInstanceIdService;
^
symbol: class FirebaseInstanceIdService
location: package com.google.firebase.iid

So please help me out, while building apk am getting this issue