Gradle task assembleDebug failed with exit code 1

Launching lib\main.dart on sdk gphone x86 in debug mode…

FAILURE: Build failed with an exception.

** What went wrong:*
Execution failed for task ‘:app:processDebugGoogleServices’.
> File google-services.json is missing. The Google Services Plugin cannot function without it.

  • Searched Location:*
  • C:\Users\Asus\lws\android\app\src\debug\google-services.json*
  • C:\Users\Asus\lws\android\app\src\google-services.json*
  • C:\Users\Asus\lws\android\app\google-services.json*

** Try:*
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

BUILD FAILED in 39s
Exception: Gradle task assembleDebug failed with exit code 1
Exited (sigterm)

**Hello, can anybody help me to solve this problem **