Please follow the steps below, to reset the Secure Sync:
- 
Open the App on the device with the latest data. 
 * The data from this device will be kept and used on all other devices.
 Make sure that the app is closed on all other devices.
- 
Reset the 'Secure Sync' from this device: 
 'Outbank Settings' > 'Reset Secure Sync' > 'Delete cloud data: Yes'
 Your devices will be disconnected and the sync data deleted.
- 
Activate the Secure Sync on this device again. 
- 
Afterwards start the app on your other devices one by one, reactivate the Secure Sync and overwrite the local data with your new sync data.