3500820 - When Creating Sales Orders, Warning Message Triggered: The source of supply cannot be determined; check the sourcing-relevant master data.

When creating a new sales order, after product ID maintained under tab Items, warning message is triggered: The source of supply cannot be determined; check the sourcing-relevant master data. 

SAP Business ByDesign

1. Go to work center Sales Orders, access view Sales Orders.
2. Click button New - Sales Orders.
3. Click button View All.
4. Select tab General, maintain mandatory fields like Sales Unit, Distribution Channel.
5. Select tab Items, click button Add Rows.
6. Maintain Product ID in the new item, a warning message triggered: The source of supply cannot be determined; check the sourcing-relevant master data. 

In the master data of the product maintained, under tab Availability Confirmation, for all planning areas, "Disable Automatic Ship-From Determination" is selected. This means all of them will not be used as default source of supply during sales order creation. Hence "External" will be maintained in Fulfillment automatically.

However, there is no purchasing contract or list price created for the product. Therefore, system gives the warning message.

Please either uncheck "Disable Automatic Ship-From Determination" for planning areas that you would like system to propose as source of supply when creating sales order, or create corresponding purchasing contract or list price for the product.

1. Help document: Assign Availability Confirmation Details to a Material

Help document: Ship-From Determination and Shipment Scheduling for Customer Demand

2. KBA: 3294064 - Warning "The source of supply cannot be determined; check the sourcing-relevant master data" in Sales Order 

1705986 - You Received the following Warning Message in your Sales Order : "The source of supply cannot be determined".

1891329 - Sales Order Fulfillment Value Should be Internal By Default

Source of Supply, Sales Order, Fulfillment, Ship-From Determination, Internal, External , KBA , AP-CR-CR , Customer Requirement , Problem