Combining shipments from two different customers with the same bill-to customer doesn't work. Below, I will provide an overview of the settings.
The two customers have the following settings:
After I shipped the two orders, I go to 'combine shipments' and fill in the settings below:
I get the following messege:
When I choose the option 'shipment invoicing', the system will find the two sales orders and I can send them seperatly to the 'bill-to customer'.