Getting "No file or variants found for asset" found error on my asset

Question

I am getting this attached error when I try and run my app. Any ideas? (Below)

Launching lib\main.dart on SM J200Y in debug mode...
Running Gradle task 'assembleDebug'...
√ Built build\app\outputs\apk\debug\app-debug.apk.
Error detected in pubspec.yaml:
No file or variants found for asset: assets/credentials.json.

I have checked the yaml file and the formatting seems to be fine. I am at a loss as want the issue is. (Also, below)

flutter:

  # The following line ensures that the Material Icons font is
  # included with your application, so that you can use the icons in
  # the material Icons class.
  uses-material-design: true
  # To add assets to your application, add an assets section, like this:
  assets:
  - assets/credentials.json

Answer 1

In my case, the problem was that I was missing slash /.

At first, I have added my icons path as below.

  assets:
      - assets/icons

I solve the issue by adding as slash / to the end of the path as below:

  assets:
      - assets/icons/

Answer 2

Check identation of assets. Generally it should have 3 spaces from start of new line.

assets:
 - assets/credentials.json // <-- count three spaces from start

Answer 3

I was facing the same problem, and I had two mistakes:

1. I created the "images" folder inside the "lib" folder, and it should be outside the lib folder, it should be in the app root folder.

2. It should be three spaces from the starter line as @Darshan said

   -assets/credentials.json // <-- count three spaces from start

   It should appear a grey line, like this