I get this kind of log on crashlytics.
Fatal Exception: java.lang.IllegalStateException: Too many receivers, total of 1000, registered for pid: 3244, callerPackage: com.nda.nda
at android.os.Parcel.createException(Parcel.java:1974)
at android.os.Parcel.readException(Parcel.java:1934)
at android.os.Parcel.readException(Parcel.java:1884)
at android.app.IActivityManager$Stub$Proxy.registerReceiver(IActivityManager.java:3690)
at android.app.ContextImpl.registerReceiverInternal(ContextImpl.java:1567)
at android.app.ContextImpl.registerReceiver(ContextImpl.java:1528)
at android.app.ContextImpl.registerReceiver(ContextImpl.java:1516)
at android.content.ContextWrapper.registerReceiver(ContextWrapper.java:636)
at com.google.android.gms.ads.internal.util.br.a(br.java:7)
at com.google.android.gms.ads.internal.activeview.ac.a(ac.java:6)
at com.google.android.gms.ads.nonagon.ad.event.ei.a(ei.java:1)
at com.google.android.gms.ads.nonagon.ad.nativead.p.a(p.java:79)
at com.google.android.gms.ads.nonagon.ad.nativead.ag.a(ag.java:27)
at com.google.android.gms.ads.nonagon.ad.nativead.bf.a(bf.java:15)
at com.google.android.gms.ads.internal.formats.client.k.a(k.java:25)
at fv.onTransact(fv.java:4)
at android.os.Binder.transact(Binder.java:675)
at com.google.android.gms.internal.ads.zzgu.zza(zzgu.java:21)
at com.google.android.gms.internal.ads.zzaec.zza(zzaec.java:16)
at com.google.android.gms.ads.formats.UnifiedNativeAdView.setNativeAd(UnifiedNativeAdView.java:52)