My issue is very similiar to a StackOverflow article found here:
While updating an app, I realised I have lost my keystore file needed.
Since I have no other way to update that app, I am forced to make a new app on the Play Store with a different ID to the existing app I have
I have tried uploading to Volt with my widgets ID being replaced with below (as the StackOverflow suggests):
When I attempted to add those instead of ‘id’ Volt failed, saying that I did not have an id.
What I am doing for now is manually swapping the id depending on whether I building for iOS or Android.