PHPhotoLibrary crashed when getting placeholderForCreatedAsset

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import UIKitimport Photosprotocol CameraRollViewControllerProtocol: class {    func displayTappedImage(displayImage: UIImage)    func scrollToCameraButtonTapped()}class CameraRollViewController:  UIViewController, UICollectionViewDelegate, UICollectionViewDataSource, UICollectionViewDelegateFlowLayout {    @IBOutlet var collectionView: UICollectionView!    var images = [PHAsset]()    var displayImage: UIImage!    // used to specify the target size of the thumbnails of images in cameraRoll    // In iPhone6 images of target size 100.0 were successfully obtained and in iPhone 6plus images of 400.0 were obtained successfully; for other target size a nil image was obtained.    var thumbImageSize: Double!    var targetSize: CGSize!    weak var delegate: CameraRollViewControllerProtocol!    override func viewDidLoad() {        super.viewDidLoad()        collectionView.contentInset = UIEdgeInsets(top: 24.0, left: 24.0, bottom: 24.0, right: 24.0)//        if UIScreen.main.bounds.width > 375 {//            thumbImageSize = 100.0//        } else {            thumbImageSize = 100.0//        }    }    override func viewWillAppear(_ animated: Bool) {        collectionView.isUserInteractionEnabled = true        self.navigationController?.navigationBar.titleTextAttributes = [ NSAttributedStringKey.foregroundColor: UIColor.cameraRollNavigationBarTitle, NSAttributedStringKey.font: UIFont.gothamRoundedMedium20!]        checkPermission { (success) in            if success {                OperationQueue.main.addOperation({                    self.getImages()                })            }        }    }    override func viewDidAppear(_ animated: Bool) {        super.viewDidAppear(animated)    }    override func viewDidDisappear(_ animated: Bool) {        super.viewDidAppear(animated)    }    // MARK: - UICollectionViewDataSource    func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {        return images.count    }    func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {                        if let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "galleryPhotoCell", for: indexPath) as? CameraRollCell {                let asset = images[indexPath.row]                let manager = PHImageManager.default()                if cell.tag != 0 {                    manager.cancelImageRequest(PHImageRequestID(cell.tag))                }                cell.tag = Int(manager.requestImage(for: asset,                                                    targetSize: CGSize(width: thumbImageSize, height: thumbImageSize),                                                    contentMode: .aspectFill,                                                    options: nil) { (result, _) in                                                        if result != nil {                                                            cell.imageView?.image = result                                                        } else {                                                            cell.imageView.image = #imageLiteral(resourceName: "cloud-Image")                                                        }                })                return cell            }            else {                return UICollectionViewCell()            }    }    @IBAction func CameraButtonTapped(_ sender: Any) {        delegate.scrollToCameraButtonTapped()    }}extension CameraRollViewController {    func getImages() {        if images.count > 0 {            images.removeAll()        }        let assets = PHAsset.fetchAssets(with: PHAssetMediaType.image, options: nil) //fetchOptions)//nil)        assets.enumerateObjects({ (object, count, stop) in            self.images.append(object)        })        self.images.reverse()        self.collectionView.reloadData()    }    func checkPermission( completionHandler:@escaping (_ success:Bool)->()) {        PHPhotoLibrary.requestAuthorization({ (status:PHAuthorizationStatus) in            if status == .authorized {                completionHandler(true)            } else {                completionHandler(false)            }        })    }}extension CameraRollViewController {    func collectionView(_ collectionView: UICollectionView,                        layout collectionViewLayout: UICollectionViewLayout,                        sizeForItemAt indexPath: IndexPath) -> CGSize {        return CGSize(width: 96.0, height: 96.0)    }    func collectionView(_ collectionView: UICollectionView, layout        collectionViewLayout: UICollectionViewLayout,                        minimumLineSpacingForSectionAt section: Int) -> CGFloat {        return 20.0    }}extension CameraRollViewController {    func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {        // check size of Asset before loading it        let asset = images[indexPath.row]        let resources = PHAssetResource.assetResources(for: asset)        var sizeOnDisk: Int64? = 0        if let resource = resources.first {            let unsignedInt64 = resource.value(forKey: "fileSize") as? CLong            sizeOnDisk = Int64(bitPattern: UInt64(unsignedInt64!))        }        LogManager.logInfo("SIZE OF IMAGE: \(converByteToHumanReadable(sizeOnDisk!))")        let imageSizeString = sizeOnDisk!/1048576        LogManager.logInfo(" SIZE OF IMAGE (1048576): \(imageSizeString)")        if imageSizeString > 2 {            targetSize = CGSize.init(width: 1000.0, height: 1000.0)        } else {            targetSize = PHImageManagerMaximumSize        }        let manager = PHImageManager.default()        let options: PHImageRequestOptions = PHImageRequestOptions()        //options.resizeMode = .exact        options.deliveryMode = .highQualityFormat //.opportunistic        //options.resizeMode = .exact        manager.requestImage(for: asset,                             targetSize: targetSize, //CGSize(width: 375.0, height: 667.0)  ,                             contentMode: .aspectFit,                             options: options) { (result, info) in                                if (info![PHImageResultIsInCloudKey] != nil) {                                    print("\n\nIS IN CLOUD: \(info![PHImageResultIsInCloudKey] as! Bool)")                                }                                guard info![PHImageResultIsDegradedKey] as! Bool == false else {                                    LogManager.logInfo("Image is degraded")                                    return                                }                                if let image = result {                                    print("\n\n*********************************==========Local Image*********************************==========\n\n")                                    let imageData: NSData = NSData(data: UIImageJPEGRepresentation((image), 1)!)                                    let frameImageData: NSData = NSData(data: UIImageJPEGRepresentation((image), 0.1)!)                                    let frameImageCompressed: UIImage = UIImage(data: frameImageData as Data)!                                    LogManager.logInfo(" SIZE OF IMAGE LOADED EARLIER : \(image.size); \(imageData.length/1048576).\(imageData.length%1048576)")                                    LogManager.logInfo("SIZE OF IMAGE LOADED NOW : \(frameImageCompressed.size); \(frameImageData.length/1048576).\(frameImageData.length%1048576)")                                    self.displayImage = image                                    self.delegate.displayTappedImage(displayImage: self.displayImage)                                } else {//                                    if (self.getImage(asset: asset)) != nil {//                                        self.displayImage = self.getImage(asset: asset) //image//                                        self.delegate.displayTappedImage(displayImage: self.displayImage)//UNCOMMENT LATER                                    print("\n\n*********************************==========Cloud Image*********************************==========\n\n")                                    let options = PHImageRequestOptions()                                    options.deliveryMode = .highQualityFormat                                    options.isSynchronous = true                                    //options.isNetworkAccessAllowed = true                                    options.progressHandler = { (progress, error, stop, info) in                                        print("PROGRESS: \(progress)") //.debug("\(progress)")                                    }                                    options.version = PHImageRequestOptionsVersion.original                                    PHImageManager.default().requestImage(for: asset, targetSize:  UIScreen.main.bounds.size , contentMode: .aspectFill, options: options) { (image, info) in                                        if image !=  nil {                                            //print(info!["PHImageResultIsInCloudKey"] as! Bool)                                            //compressedImageData = self.compressImage(image: image!)                                            self.displayImage = image                                            self.delegate.displayTappedImage(displayImage: self.displayImage)                                        } else{                                            // request image with size 200x200                                            print("MUST NOT EXECUTE")                                            print("\n\n*********************************==========Local THUMBNAIL  Image*********************************==========\n\n")                                            let options: PHImageRequestOptions = PHImageRequestOptions()                                            //options.resizeMode = .exact                                            options.deliveryMode = .highQualityFormat //.opportunistic                                            //options.resizeMode = .exact                                            PHImageManager.default().requestImage(for: asset, targetSize: CGSize.init(width: 150, height: 150), contentMode: .aspectFill, options: options) { (image, info) in                                                if image !=  nil {                                                    self.displayImage = image                                                    self.delegate.displayTappedImage(displayImage: self.displayImage)                                                }                                            }                                        }                                    }//UNCOMMENT LATER//                                    }//                                    else {                                    // show popup saying download the image from icloud in this device as it's just a thumbnail//                                    self.createAlert(title: "Photo Not Accessible", message: "Please download it from iCloud to use it.")//                                    }                                }        }        collectionView.isUserInteractionEnabled = false    }}extension CameraRollViewController {    func createAlert(title: String, message: String) {        let alert = UIAlertController(title: title, message: message, preferredStyle: UIAlertControllerStyle.alert)        alert.addAction(UIAlertAction(title: "OK", style: UIAlertActionStyle.default, handler: { (action) in            alert.dismiss(animated: true, completion: nil)            LogManager.logInfo("OK Pressed")            self.collectionView.isUserInteractionEnabled = true        }))        self.present(alert, animated: true, completion: nil)    }    func converByteToHumanReadable(_ bytes:Int64) -> String {        let formatter:ByteCountFormatter = ByteCountFormatter()        formatter.countStyle = .binary        return formatter.string(fromByteCount: Int64(bytes))    }    func getImage(asset: PHAsset) -> UIImage?  {        var assetImage: UIImage?        let options = PHImageRequestOptions()        options.isSynchronous = true        options.isNetworkAccessAllowed = true        PHImageManager.default().requestImage(for: asset, targetSize: UIScreen.main.bounds.size, contentMode: .aspectFill, options: options) { (image, info) in            assetImage = image        }        return assetImage    }}

Please try below code.

__block NSString* tempPath;// Add it to the photo library[[PHPhotoLibrary sharedPhotoLibrary] performChanges:^{    PHAssetChangeRequest *assetChangeRequest = [PHAssetChangeRequest creationRequestForAssetFromImage:image];    if (self.assetCollection) {        PHAssetCollectionChangeRequest *assetCollectionChangeRequest = [PHAssetCollectionChangeRequest changeRequestForAssetCollection:self.assetCollection];        [assetCollectionChangeRequest addAssets:@[[assetChangeRequest placeholderForCreatedAsset]]];    }    tempPath = [[assetChangeRequest placeholderForCreatedAsset] localIdentifier];} completionHandler:^(BOOL success, NSError *error) {    PHFetchResult* assetResult = [PHAsset fetchAssetsWithLocalIdentifiers:@[tempPath] options:nil];    if (!success) {        NSLog(@"Error creating asset: %@", error);    } else {        PHFetchResult* assetResult = [PHAsset fetchAssetsWithLocalIdentifiers:@[tempPath] options:nil];        PHAsset *asset = [assetResult firstObject];        [[PHImageManager defaultManager] requestImageDataForAsset:asset options:nil resultHandler:^(NSData *imageData, NSString *dataUTI, UIImageOrientation orientation, NSDictionary *info) {            UIImage* newImage = [UIImage imageWithData:imageData];            self.imgView.image = newImage;        }];    }}];

you can use the Following Code.

`#pragma mark - Create Custom Album name-(void)saveImageWithAlbumNameAndImage:(UIImage *)image{__block PHFetchResult *photosAsset;__block PHAssetCollection *collection;__block PHObjectPlaceholder *placeholder;// Find the albumPHFetchOptions *fetchOptions = [[PHFetchOptions alloc] init];fetchOptions.predicate = [NSPredicate predicateWithFormat:@"title = %@", MKCustomPhotoAlbumName];collection = [PHAssetCollection fetchAssetCollectionsWithType:PHAssetCollectionTypeAlbum                                                      subtype:PHAssetCollectionSubtypeAny                                                      options:fetchOptions].firstObject;// Create the albumif (!collection){    [[PHPhotoLibrary sharedPhotoLibrary] performChanges:^{        PHAssetCollectionChangeRequest *createAlbum = [PHAssetCollectionChangeRequest creationRequestForAssetCollectionWithTitle:MKCustomPhotoAlbumName];        placeholder = [createAlbum placeholderForCreatedAssetCollection];    } completionHandler:^(BOOL success, NSError *error) {        if (success)        {            PHFetchResult *collectionFetchResult = [PHAssetCollection fetchAssetCollectionsWithLocalIdentifiers:@[placeholder.localIdentifier]                                                                                                        options:nil];            collection = collectionFetchResult.firstObject;        }    }];}// Save to the album[[PHPhotoLibrary sharedPhotoLibrary] performChanges:^{    PHAssetChangeRequest *assetRequest = [PHAssetChangeRequest creationRequestForAssetFromImage:image];    placeholder = [assetRequest placeholderForCreatedAsset];    photosAsset = [PHAsset fetchAssetsInAssetCollection:collection options:nil];    PHAssetCollectionChangeRequest *albumChangeRequest = [PHAssetCollectionChangeRequest changeRequestForAssetCollection:collection                                                                                                                  assets:photosAsset];    [albumChangeRequest addAssets:@[placeholder]];} completionHandler:^(BOOL success, NSError *error) {    if (success)    {        NSString *UUID = [placeholder.localIdentifier substringToIndex:36];        NSLog(@"UUID : %@",UUID);    }    else    {        NSLog(@"%@", error);    }}];}`

Here MKCustomPhotoAlbumName is the Macro and Placed the Name of the Album you wanted to create

As you can observe from the code that Your Image is saved into customary created Album in the photos app iPhone. and if it is Already created then saved directly into it