Which partner functions can cause a message stating that a business partner is missing after creating a sales order?

The correct answer focuses on the relationship between partner functions in the context of a sales order in SAP S/4HANA. The Payer and Bill-to party are both critical partner functions that play key roles in the processing of sales orders.

The Payer is the business partner responsible for making the payment for the goods or services rendered. A sales order requires this information to ensure that the billing process is managed correctly. The absence of a Payer could lead to complications in the billing cycle and cause a message indicating that a business partner is missing.

The Bill-to party refers to the location or business entity that is designated to receive the invoice for the order. If this function is not specified, it can lead to similar issues as the Payer, as the system requires this information for proper invoicing and financial processing.

When either the Payer or the Bill-to party is missing from a sales order, the system identifies that critical information is lacking, thus generating a message that signifies the absence of a business partner. These two partner functions are essential to ensure that the sales order can be completed and that subsequent processes such as billing and payment can flow without disruption.

In contrast, while other combinations like Sold-to party and Ship-to party are important for the logistics