This problem appears when I start the application, what do I do?

C:\Users\lenovo\StudioProjects\TESTAH\android\app\src\main\AndroidManifest.xml:6:9-42 Error:
Attribute application@name at AndroidManifest.xml:6:9-42 requires a placeholder substitution but no value for is provided.
C:\Users\lenovo\StudioProjects\TESTAH\android\app\src\debug\AndroidManifest.xml Error:
Validation failed, exiting

FAILURE: Build failed with an exception.

• What went wrong:
  Execution failed for task ‘:app:processDebugMainManifest’.

Manifest merger failed with multiple errors, see logs

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• 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.

Contains the problem that appears when launching an application
enter image description here

This image contains the file AndroidManifest.xml
enter image description here

This image contains the file AndroidMainfest.xml
at android/app/src/debug
enter image description here

>Solution :

replace this line

   android:name=".MainActivity"

with

 android:name="io.flutter.embedding.android.FlutterFragmentActivity"