android - Faced Note エラーの原因となる署名付き apk を生成します。これを修正する方法は？

Question

署名済み apk を生成したいとき。次に、それがエラーの原因です。エラーログを以下に示します。

Note: the configuration refers to the unknown class 'com.google.android.gms.common.internal.safeparcel.SafeParcelable'

Note: the configuration refers to the unknown class 'android.app.OnActivityPausedListener'

Note: the configuration refers to the unknown class 'com.mopub.nativeads.CustomEventNative'

Maybe you meant the fully qualified name 'com.google.android.gms.ads.mediation.customevent.CustomEventNative'?

Note: the configuration refers to the unknown class 'com.mopub.nativeads.CustomEventRewardedAd'

Note: the configuration refers to the unknown class 'Object'
      Maybe you meant the fully qualified name 'java.lang.Object'?