Software⏱️ 3 min read📅 2026-06-04

How to Fix: Flutter: Execution failed for task ':app:compileDebugKotlin'

Flutter app compilation error

Quick Answer: Check if the Kotlin version in your project is compatible with Android. Try updating or downgrading Kotlin to resolve the issue.

📋 Table of Contents

  1. 💡 Why You Are Getting This Error
  2. ✅ Best Solutions to Fix It
  3. 💡 Conclusion

Flutter developers who are trying to run their default Flutter app on an Android device but encounter the 'Flutter: Execution failed for task ':app:compileDebugKotlin'' error will find this guide helpful. This issue can be frustrating, especially when you're eager to test your app.

The error message indicates that there was a problem resolving all artifacts for configuration ':app:debugCompileClasspath'. This suggests that the Gradle build process is failing due to an inability to locate required dependencies or libraries.

💡 Why You Are Getting This Error

  • The primary reason for this issue is often related to missing or outdated dependencies in the project's build.gradle file. If the Gradle build script is not properly configured, it may fail to resolve all necessary artifacts.
  • Another possible cause could be a misconfigured Android Studio, where the project's SDK and NDK paths are not correctly set. This can lead to issues with the Gradle build process and result in the 'Flutter: Execution failed for task ':app:compileDebugKotlin'' error.

✅ Best Solutions to Fix It

Resolving Missing Dependencies

  1. Step 1: Step 1: Open the project's build.gradle file and check the dependencies section. Ensure that all required packages are listed, including Flutter-specific ones.
  2. Step 2: Step 2: Run the command 'flutter clean' in your terminal to remove any cached Gradle builds and start fresh.
  3. Step 3: Step 3: Update the Android Studio SDK and NDK paths to match the latest versions recommended by Flutter. This can usually be found on the official Flutter documentation website.

Configuring Android Studio

  1. Step 1: Step 1: Open the Android Studio settings by clicking on the gear icon in the top-right corner.
  2. Step 2: Step 2: Navigate to 'Build, Execution, Deployment' > 'Gradle' and ensure that the project's Gradle build script is correctly configured.

💡 Conclusion

By following these steps, you should be able to resolve the 'Flutter: Execution failed for task ':app:compileDebugKotlin'' error and get your app running smoothly on Android. Remember to always keep your dependencies and SDK paths up-to-date to avoid similar issues in the future.

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