                                 }
                             }
                         }
+
+                    } else {
+                        YepAlert.alertSorry(message: NSLocalizedString("Can not save image!", comment: ""), inViewController: self)
                     }
 
                     self?.updateConversationCollectionViewWithMessageIDs(nil, messageAge: .New, scrollToBottom: true, success: { _ in

                                }
                            }
                        }
                    }

                    self?.updateConversationCollectionViewWithMessageIDs(nil, messageAge: .New, scrollToBottom: true, success: { _ in

                                    if let _ = NSFileManager.saveMessageImageData(thumbnailData, withName: messageVideoName) {
                                        message.localThumbnailName = messageVideoName
                                    }

                                } else {
                                    YepAlert.alertSorry(message: NSLocalizedString("Can not save image!", comment: ""), inViewController: self)
                                }

                                message.localAttachmentName = messageVideoName
