Sometimes crashes with java.lang.IllegalStateException:

[GoogleCodeExporter]

Please describe the Google AdMob Ads Android SDK bug you're experiencing.
If
applicable, please provide all of the following:

- SDK Version
6.4.1

- Complete description of the bug, including the expected and actual output

Sometimes I got this crash:

E/AndroidRuntime(30551): FATAL EXCEPTION: main
E/AndroidRuntime(30551): java.lang.IllegalStateException: The specified child 
already has a parent. You must call removeView() on the child's parent first.
E/AndroidRuntime(30551):    at 
android.view.ViewGroup.addViewInner(ViewGroup.java:3506)
E/AndroidRuntime(30551):    at android.view.ViewGroup.addView(ViewGroup.java:3377)
E/AndroidRuntime(30551):    at android.view.ViewGroup.addView(ViewGroup.java:3322)
E/AndroidRuntime(30551):    at android.view.ViewGroup.addView(ViewGroup.java:3298)
E/AndroidRuntime(30551):    at com.google.ads.internal.d.a(SourceFile:1025)
E/AndroidRuntime(30551):    at com.google.ads.internal.d.a(SourceFile:696)
E/AndroidRuntime(30551):    at com.google.ads.e$8.run(SourceFile:445)
E/AndroidRuntime(30551):    at android.os.Handler.handleCallback(Handler.java:730)
E/AndroidRuntime(30551):    at android.os.Handler.dispatchMessage(Handler.java:92)
E/AndroidRuntime(30551):    at android.os.Looper.loop(Looper.java:137)
E/AndroidRuntime(30551):    at 
android.app.ActivityThread.main(ActivityThread.java:5103)
E/AndroidRuntime(30551):    at java.lang.reflect.Method.invokeNative(Native 
Method)
E/AndroidRuntime(30551):    at java.lang.reflect.Method.invoke(Method.java:525)
E/AndroidRuntime(30551):    at 
com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737)
E/AndroidRuntime(30551):    at 
com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
E/AndroidRuntime(30551):    at dalvik.system.NativeStart.main(Native Method)

Original issue reported on code.google.com by g.iucul...@gmail.com on 31 Oct 2013 at 5:44