iOS 15 app crashes on getPendingNotificationRequestsWithCompletionHandler about com.unity.mobile.notifications HOT 13 CLOSED

public class ApplePostProcess : MonoBehaviour
{
#if UNITY_IOS
    [PostProcessBuild(1)]
    public static void OnPostProcessBuild(BuildTarget buildTarget, string pathToXcode)
    {
        if (buildTarget == BuildTarget.iOS)
        {
            FixediOS13NotificationBug(pathToXcode);
        }
    }
    private static void FixediOS13NotificationBug(string pathToXcode)
    {
        string managerPath = pathToXcode + "/Libraries/com.unity.mobile.notifications/Runtime/iOS/Plugins/UnityNotificationManager.m";
        var text = File.ReadAllLines(managerPath).ToList();
        for (int i = 0; i < text.Count; i++)
        {
            if (text[i] == @"- (void)updateScheduledNotificationList")
            {
                text.RemoveRange(i, 7);
                text.Insert(i, @"- (void)updateScheduledNotificationList
{
    UNUserNotificationCenter* center = [UNUserNotificationCenter currentNotificationCenter];
    if (@available(iOS 15, *))
    {
        dispatch_async(dispatch_get_main_queue(), ^{
            [center getPendingNotificationRequestsWithCompletionHandler:^(NSArray < UNNotificationRequest *> *_Nonnull requests) {
                self.cachedPendingNotificationRequests = requests;
            }];
        });
    }
    else
    {
        [center getPendingNotificationRequestsWithCompletionHandler:^(NSArray < UNNotificationRequest *> *_Nonnull requests) {
            self.cachedPendingNotificationRequests = requests;
        }];
    }

}");
                break;
            }
        }
        
        File.WriteAllLines(managerPath, text.ToArray());
    }
#endif
}

- (void)updateScheduledNotificationList
{
    UNUserNotificationCenter* center = [UNUserNotificationCenter currentNotificationCenter];
    if (@available(iOS 15, *)) {
        dispatch_async(dispatch_get_main_queue(), ^{
            [center getPendingNotificationRequestsWithCompletionHandler:^(NSArray<UNNotificationRequest *> * _Nonnull requests) {
                    self.cachedPendingNotificationRequests = requests;
            }];
        });
    } else {
        [center getPendingNotificationRequestsWithCompletionHandler:^(NSArray<UNNotificationRequest *> * _Nonnull requests) {
                self.cachedPendingNotificationRequests = requests;
        }];
    }
        
}

- (void)updateScheduledNotificationList
{
    UNUserNotificationCenter* center = [UNUserNotificationCenter currentNotificationCenter];
    dispatch_async(dispatch_get_main_queue(), ^{
        [center getPendingNotificationRequestsWithCompletionHandler:^(NSArray<UNNotificationRequest *> * _Nonnull requests) {
                self.cachedPendingNotificationRequests = requests;
        }];
    });
}