App compiling error - Firebase config file error

Possible reasons..

  1. May not upload google.services.json file to the asset
  2. May uploaded the same but with other than above mentioned name
  3. May add empty firebase blocks
  4. Firebase URL may not be included
  5. Package name mismatch

Suggestion.

  1. Delete the existing/uploaded google.services.json and Upload the fresh google.services.json
  2. Do not change the name.
  3. Verify in you blocks section that all the firebase components have filled.
  4. Add firebase url into your JSON file using textpad between project number and project ID like below,
    "firebase_url": "https://(your fireDB URL)"
  5. Correct the package name