I have error please help me

FAILURE: Build failed with an exception.

  • What went wrong:
    A problem occurred configuring project ‘:apivideo_live_stream’.

Could not create an instance of type com.android.build.api.variant.impl.LibraryVariantBuilderImpl.
Namespace not specified. Specify a namespace in the module’s build file. See Configurar o módulo do app  |  Android Studio  |  Android Developers for information about setting the namespace.

 If you've specified the package attribute in the source AndroidManifest.xml, you can use the AGP Upgrade Assistant to migrate to the namespace value in the build file. Refer to https://d.android.com/r/tools/upgrade-assistant/agp-upgrade-assistant for general information about using the AGP Upgrade Assistant.
  • Try:

Run with --stacktrace option to get the stack trace.
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how to fix that ?

Can you share the plugins { … } in android/build.gradle? I think this is something related to Android Gradle Plugin (AGP).