SAP Knowledge Base Article - Public

2502728 - External Reference Field is Greyout by Default in Over-the-Counter Sales


When creating a new Over-the-Counter Sales Order, External Reference field in General section is by default greyout. While it can be used in other sales documents.


Reproducing the Issue

  1. Go to Over-the-Counter Sales Work Center.
  2. Open New Over-the-Counter Sale.
  3. External Reference in General section is greyout.
  4. Click Adapt and Enter adaption mode.
  5. Edit Screen.
  6. Select General section.
  7. External Reference field is a standard field and has been marked as Visible.
  8. Field Properties has been set to Read Only by default. 


The field External Reference is not supported in the Over-the-Counter Sale transaction.

Even the transaction is not supported in the Over-the-Counter Sale scenario, you can still make this field editable per personal use perference.


  1. Go to Business Configuration Work Center.
  2. Select respective implementation project.
  3. Open Activity List.
  4. Find External Reference Number Determination for Customer Invoice.
  5. Add this fine-tuning activity to current project if it's not in scope.
  6. Open this activity,choose For Over-the-Counter Sales.
  7. Change Determination Method to Copied from Predecessor Reference ID.
  8. Save and Close.
  9. Back and open a new Over-the-Counter Sales, this field can be edited now.



KBA , AP-ODP-OD , Outbound Delivery , How To