GMS IllegalStateException：任务已经完成

Question

我们的应用程序与此有关。我们使用GMS 11.8.0

java.lang.IllegalStateException: Task is already complete
at com.google.android.gms.tasks.zzn.addOnSuccessListener(zzn.java)
                                    addOnCompleteListener(zzn.java)
                                    setException(zzn.java)
at com.google.android.gms.common.api.internal.zzcn.zza(zzcn.java)
at com.google.android.gms.common.api.internal.zzo.onCancel(zzo.java)
at com.google.android.gms.common.SupportErrorDialogFragment.onCancel(SupportErrorDialogFragment.java)

我们的Android代码是

fusedLocationProviderClient
.requestLocationUpdates(locationRequest, locationCallback, looper)
.addOnCompleteListener(
    task -> {
      ...
    });

我对此异常感到困惑，如何发生此异常？