FAILURE: Build failed with an exception.

• What went wrong: A problem occurred configuring project ':google_mlkit_barcode_scanning'.

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 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  for general information about using the AGP Upgrade Assistant.

• Try:

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BUILD FAILED in 4s Running Gradle task 'assembleRelease'... 4.8s Gradle task assembleRelease failed with exit code 1

#HERE IS MY AndroidManifest.xml

<manifest xmlns:android=";>
<uses-permission android:name="android.permission.INTERNET" />
<application
    android:label="inspection_app"
    android:name="${applicationName}"
    android:icon="@mipmap/ic_launcher">
    <activity
        android:name=".MainActivity"
        android:exported="true"
        android:launchMode="singleTop"
        android:taskAffinity=""
        android:theme="@style/LaunchTheme"
        android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
        android:hardwareAccelerated="true"
        android:windowSoftInputMode="adjustResize">
        <meta-data
          android:name="io.flutter.embedding.android.NormalTheme"
          android:resource="@style/NormalTheme"
          />
        <intent-filter>
            <action android:name="android.intent.action.MAIN"/>
            <category android:name="android.intent.category.LAUNCHER"/>
        </intent-filter>
    </activity>
    <meta-data
        android:name="flutterEmbedding"
        android:value="2" />
</application>
<queries>
    <intent>
        <action android:name="android.intent.action.PROCESS_TEXT"/>
        <data android:mimeType="text/plain"/>
    </intent>
</queries>