Contacts Backup + Transfer funktioniert nicht

Please see the subscription details below. - The subscription price is $2. 99 per month and is automatically renewed every month until cancelled. - Your payment will be charged to your iTunes Account as soon as you confirm your purchase. - You can manage your subscriptions and turn off auto-renewal from your Apple ID account settings after the purchase. - Your subscription will renew automatically, unless you turn off auto-renew at least 24 hours before the end of the current period. - The cost of renewal will be charged to your account in the 24 hours prior to the end of the current period. - When canceling a subscription, your subscription will stay active until the end of the period.  Simply pick the contacts you want to secure, and let the app create you a backup file in no time.  We also offer Contacts Backup Pro, a set of premium features to keep your contacts secure at all times while accessible from all places.  This service is offered as an auto-renewable subscription for $2. 99 per month.  Back up your contacts in seconds with the easiest backup tool on the App Store.  At any time, you can access and restore previous backups.  Export your backups via Message, Email and Airdrop.  Auto-renewal will be disabled, but the current subscription will not be refunded. - Any features requiring an active subscription (including Cloud Storage) may, at any time without notice, be turned off or removed after the subscription has ended.