NativeAddView is not working. throwing Internal error

[Chandrakala-B]

Error: Request Error: Internal error.
at createErrorFromErrorData (utils.ts:7:17)
at onAdFailedToLoad (withNativeAd.tsx:262:39)
at Object.invokeGuardedCallbackProd (ReactNativeRenderer-dev.js:107:10)
at invokeGuardedCallback (ReactNativeRenderer-dev.js:340:31)
at invokeGuardedCallbackAndCatchFirstError (ReactNativeRenderer-dev.js:364:25)
at executeDispatch (ReactNativeRenderer-dev.js:466:3)
at executeDispatchesInOrder (ReactNativeRenderer-dev.js:490:5)
at executeDispatchesAndRelease (ReactNativeRenderer-dev.js:2774:5)
at executeDispatchesAndReleaseTopLevel (ReactNativeRenderer-dev.js:2783:10)
at forEachAccumulated (ReactNativeRenderer-dev.js:1254:8)

const adsManager = new NativeAdsManager(TEST_AD_BANNER);

<NativeAdView
        targeting={{
          customTargeting: { group: 'nzme_user_test' },
          categoryExclusions: ['media'],
          contentURL: 'nzmetest://',
          publisherProvidedID: 'provider_id_nzme',
        }}
        // style={{ width: '100%'}}
        adsManager={adsManager}
        validAdTypes={['banner']}
        adSize="mediumRectangle"
        validAdSizes={['mediumRectangle']}
        // onAdLoaded={this.onAdLoaded}
        onAdFailedToLoad={(error) => {
          console.log(error);
        }}
      />