Use of undeclared identifier 'RNBackgroundDownloader'

[zoobibackups]

Here is an Error in Release Version of the App: /Users/umairhassan/repos/videodownloader/ios/awesomeproject/AppDelegate.m:65:4: Use of undeclared identifier 'RNBackgroundDownloader'

Here is my Appdelegate.m

#import "AppDelegate.h"

#import <React/RCTBridge.h>
#import <React/RCTBundleURLProvider.h>
#import <React/RCTRootView.h>

#ifdef FB_SONARKIT_ENABLED
#import <FlipperKit/FlipperClient.h>
#import <FlipperKitLayoutPlugin/FlipperKitLayoutPlugin.h>
#import <FlipperKitUserDefaultsPlugin/FKUserDefaultsPlugin.h>
#import <FlipperKitNetworkPlugin/FlipperKitNetworkPlugin.h>
#import <SKIOSNetworkPlugin/SKIOSNetworkAdapter.h>
#import <FlipperKitReactPlugin/FlipperKitReactPlugin.h>
#import <RNBackgroundDownloader.h>

static void InitializeFlipper(UIApplication *application) {
  FlipperClient *client = [FlipperClient sharedClient];
  SKDescriptorMapper *layoutDescriptorMapper = [[SKDescriptorMapper alloc] initWithDefaults];
  [client addPlugin:[[FlipperKitLayoutPlugin alloc] initWithRootNode:application withDescriptorMapper:layoutDescriptorMapper]];
  [client addPlugin:[[FKUserDefaultsPlugin alloc] initWithSuiteName:nil]];
  [client addPlugin:[FlipperKitReactPlugin new]];
  [client addPlugin:[[FlipperKitNetworkPlugin alloc] initWithNetworkAdapter:[SKIOSNetworkAdapter new]]];
  [client start];
}
#endif

@implementation AppDelegate

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
#ifdef FB_SONARKIT_ENABLED
  InitializeFlipper(application);
#endif

  RCTBridge *bridge = [[RCTBridge alloc] initWithDelegate:self launchOptions:launchOptions];
  RCTRootView *rootView = [[RCTRootView alloc] initWithBridge:bridge
                                                   moduleName:@"awesomeproject"
                                            initialProperties:nil];

  rootView.backgroundColor = [[UIColor alloc] initWithRed:1.0f green:1.0f blue:1.0f alpha:1];

  self.window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
  UIViewController *rootViewController = [UIViewController new];
  rootViewController.view = rootView;
  self.window.rootViewController = rootViewController;
  [self.window makeKeyAndVisible];
    // Place this code after "[self.window makeKeyAndVisible]" and before "return YES;"
  UIStoryboard *sb = [UIStoryboard storyboardWithName:@"LaunchScreen" bundle:nil];
  UIViewController *vc = [sb instantiateInitialViewController];
  rootView.loadingView = vc.view;
  return YES;
}

- (NSURL *)sourceURLForBridge:(RCTBridge *)bridge
{
#if DEBUG
  return [[RCTBundleURLProvider sharedSettings] jsBundleURLForBundleRoot:@"index" fallbackResource:nil];
#else
  return [[NSBundle mainBundle] URLForResource:@"main" withExtension:@"jsbundle"];
#endif
}

- (void)application:(UIApplication *)application handleEventsForBackgroundURLSession:(NSString *)identifier completionHandler:(void (^)(void))completionHandler
{
  [RNBackgroundDownloader setCompletionHandlerWithIdentifier:identifier completionHandler:completionHandler];
}

@end

Here is my package.json file

{
  "name": "awesomeproject",
  "version": "0.0.1",
  "private": true,
  "scripts": {
    "android": "react-native run-android",
    "ios": "react-native run-ios",
    "start": "react-native start",
    "test": "jest",
    "lint": "eslint ."
  },
  "dependencies": {
    "@react-native-community/async-storage": "^1.12.1",
    "@react-native-community/cameraroll": "^4.0.1",
    "@react-native-community/clipboard": "^1.5.1",
    "@react-native-community/cookies": "^5.0.1",
    "@react-native-community/masked-view": "^0.1.10",
    "@react-native-community/slider": "^3.0.3",
    "@react-navigation/drawer": "^5.11.3",
    "@react-navigation/material-top-tabs": "^5.3.9",
    "@react-navigation/native": "^5.8.9",
    "@react-navigation/stack": "^5.12.6",
    "immer": "^8.0.0",
    "react": "16.13.1",
    "react-native": "0.63.3",
    "react-native-admob": "^2.0.0-beta.6",
    "react-native-admob-native-ads": "^0.3.9",
    "react-native-background-downloader": "^2.3.4",
    "react-native-gesture-handler": "^1.8.0",
    "react-native-inappbrowser-reborn": "^3.5.1",
    "react-native-linear-gradient": "^2.5.6",
    "react-native-paper": "^4.4.0",
    "react-native-permissions": "^3.0.0-beta.2",
    "react-native-reanimated": "^1.13.2",
    "react-native-redash": "^15.11.1",
    "react-native-responsive-screen": "^1.4.1",
    "react-native-safe-area-context": "^3.1.9",
    "react-native-screens": "^2.15.0",
    "react-native-share": "^4.1.0",
    "react-native-spinkit": "^1.5.1",
    "react-native-splash-screen": "^3.2.0",
    "react-native-star-rating": "^1.1.0",
    "react-native-vector-icons": "^7.1.0",
    "react-native-video": "^5.1.0-alpha8",
    "react-native-video-controls": "^2.7.1",
    "react-native-webview": "^10.10.2",
    "rn-fetch-blob": "^0.12.0"
  },
  "devDependencies": {
    "@babel/core": "7.12.3",
    "@babel/runtime": "7.12.5",
    "@react-native-community/eslint-config": "1.1.0",
    "babel-jest": "25.5.1",
    "eslint": "6.8.0",
    "jest": "25.5.4",
    "metro-react-native-babel-preset": "0.59.0",
    "react-test-renderer": "16.13.1"
  },
  "jest": {
    "preset": "react-native"
  }
}

[zoobibackups]

this issue was this
import this at the top

#import <RNBackgroundDownloader.h>