WA Dual Chat funktioniert nicht

To connect, open the "WA Dual Chat" app and you will see a QR code, simply 'scan' this code using WhatsApp on your phone and you will be logged in.  Your phone must be connected to the internet for correct usage of the "DualChat for WhatsApp", and in addition, make sure you have the latest version of WhatsApp app is available for your phone. —> Password protection.  Face ID & Touch ID friendly. —> QR code Scanner / QR code reader is extremely easy to use; with quick scan built in simply point QR code scanner free app to QR or barcode you want to scan and QR scanner will automatically start scanning and QR scan it.  Just like the web version of your your favorite social media app, the WA Dual Chat is an extension of your phone, which simply mirror your conversations and messages as they are in your phone device, that means, all your messages remain originally saved on your phone.  You will find this option within WhatsApp settings on your phone, at "WhatsApp Web" menu.  The unused portion of the free trial period will be lost when the user purchases a subscription.  You can use WhatsApp on your iPad with this app and you can also have 2 numbers of WhatsApp in your iPhone or one account on two devices, if you like.  To have an access to the functionality of this app user have to have active auto-renewable subscription.  Without active auto-renewable subscription, the user can use limited functionality .  Users can close subscriptions by going to ‘‘ Account Settings ’‘.  This is an UNOFFICIAL tool for WhatsApp Messenger.  Your payment will be charged to your iTunes account with your confirmation of purchase.  This app is developed by an independent developer, not affiliated to the official developer.  Usage in this app falls within guidelines of "fair use".  Subscriptions are managed by users.  Your subscription will be automatically renewed unless the automatic renewal is canceled at least 24 hours before the end of the valid period.