How can I solve it?

[Still-learning]

Could not export app, firebase config file error

In your google-services.json firebase url is missing. Delete the existing google-servies.json from your asset Go to firebase console (already uploaded this app mean, delete it) Add this app using exact app name (your app name is com.dzubair387.workmeet) finsih the formalities Download the google-services.json(if already present in your downloaded folder, pleas move it somehwere or delete it, if not it will rename) Now upload the newly download google-services.json in to the app asset and compi…