Flutter invalid depfile

In Flutter, the “invalid depfile” error typically occurs when there is an issue with the Flutter build system or the dependencies used in the project. This error message suggests that the dependency file (depfile) is invalid or corrupted.

To resolve this issue, you can try the following solutions:

1. Clean the project: Run the following command to clean the project and rebuild it:

           
   flutter clean
           
         

   This command will remove the build artifacts and dependencies, forcing a clean rebuild.

2. Update Flutter and Dart SDK: Make sure you have the latest version of Flutter and Dart SDK installed. Run the following command to update them:

           
   flutter upgrade
           
         

   This will update Flutter and the associated dependencies to their latest versions.

3. Check dependencies: Verify that all the dependencies used in your project are compatible with each other. Make sure you haven’t specified conflicting versions for any packages in your pubspec.yaml file.
4. Manually remove artifacts: If none of the above solutions work, you can try manually removing the Flutter build artifacts and dependencies by following these steps:
   1. Delete the .flutter-plugins, .flutter-plugins-dependencies, and .flutter-plugins-version files in your project’s root directory.
   2. Delete the build directory located in the root of the project.

   After deleting these files, try rebuilding your project again.

5. Missing file permission: Ensure that the user running Flutter commands has proper file permissions to create and modify files in your project directory.

By following these steps, you should be able to resolve the “invalid depfile” error in Flutter. Remember to clean and rebuild your project after making any changes to ensure a fresh build without any potential conflicting artifacts.