Download the latest version: we update the app regularly. Make sure that you are using the latest version. Check if there is an update in the App Store or Google Play.Restart the app: if a new version is not available, close the app completely, then reopen it.Reinstall the app: if the app still has problems, delete the app from your smartphone or tablet, then reinstall it once again. Please note: your designs and addresses will be lost if you delete the app.Contact the Customer Care Centre: if the problem isn't solved with all these steps, be sure to contact the customer service. We will work as quickly as we can to solve the technical problem.Have the following information handy when you phone customer service: the brand of your smartphone or tablet, the device type or model, the type of device, version of the operating system on your device, and the version of the app. You can find the version in the app under Menu > Version of the app.