aa
  <!-- AdMobActivity definition -->
  <activity android:name="com.admob.android.ads.AdMobActivity"
   android:theme="@android:style/Theme.NoTitleBar.Fullscreen"
   android:configChanges="orientation|keyboard|keyboardHidden" />
  <!-- Track Market installs -->
  <receiver android:name="com.admob.android.ads.analytics.InstallReceiver"
   android:exported="true">
   <intent-filter>
    <action android:name="com.android.vending.INSTALL_REFERRER" />
   </intent-filter>
  </receiver>

에러1 - android:configChanges="orientation|keyboard|keyboardHidden" />

에러2 - <receiver android:name="com.admob.android.ads.analytics.InstallReceiver" android:exported="true">

애드몹 PDF문서의 코드를 복사해서

저의 앱의 메니페스트를 코드를 넣는데요, 위 두 부분에서 에러가 납니다ㅡㅜ

왜 그럴까요?