Answer:
This error is displayed when importing an update that is older than the last imported update.
First, check in Admin Control Center at http://localhost:1947 under Features to see if the purchased modules are already available.
If not all of the purchased modules are available, please follow the instructions below:
Network dongle (hardware dongle):
Please send us the C2V file, which you can create using the RUS tool; see:
Network dongle (softlock):
Please send us the C2V file, which you can create directly in the Admin Control Center; see: