Facebook AD is not showing , error code 1001

[jm90hong]

Hi! I'm developing facebook audience network using this plugin. Everythings have been accepted in facebook ad dashboard site.\ But app not showing Native Ad.

Here is My code

  @override
  void initState() {
    // TODO: implement initState
    super.initState();
    FacebookAudienceNetwork.init(
      //testingId: "bla-bla", //optional
    );
  }

 @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Column(
        mainAxisAlignment: MainAxisAlignment.center,
        children: <Widget>[
          const Text('Facebook AD'),
          Container(
            alignment: const Alignment(0.5, 1),
            child: FacebookNativeAd(
              placementId: 'bla-bla',
              adType: NativeAdType.NATIVE_AD,
              height: 300,
              backgroundColor: Colors.orange,
              titleColor: Colors.white,
              descriptionColor: Colors.white,
              buttonColor: Colors.orange,
              buttonTitleColor: Colors.white,
              buttonBorderColor: Colors.white,
              keepAlive: true, //set true if you do not want adview to refresh on widget rebuild
              keepExpandedWhileLoading: false, // set false if you want to collapse the native ad view when the ad is loading
              expandAnimationDuraion: 300, //in milliseconds. Expands the adview with animation when ad is loaded
              listener: (result, value) {
                print("Native Ad: $result --> $value");
              },
            ),
          )
        ],
      ),
    );
  }
}

[vishptl3190]

I am also facing this same issue at first instance ads were showing properly using testingid but now it frequently showing no fill and ad open too frequently error

[plokmij]

I also facing this issue. Works perfectly with test ads but 0 impressions in production. Everytime I get 1001.

[erperejildo]

any solutions? I get this error in example project