When shipping through UPS, you might come across the error "120649 Missing or Invalid Notification/NotificationCode".
This error is shown when an invalid UPS Quantum View notification code is attempted to be used but it's not applicable to the shipment.
To reconfigure notifications you will have to:
1. Access Clients under the Maintenance menu
2. Click on the client related to the order
3. Edit the Billing Account (Carrier) related to the order and error
4. Select the Carrier Options tab
5. Remove/modify the events and other specific elements if needed:
6. Press Save to apply the changes
If you have additional question on the events and fields, consult How to have UPS send order delivery e-mail notifications [Step-by-Step guide].