SAP Knowledge Base Article - Public

2904941 - External Reference Field is Not Editable While Creating Manual Invoice


When creating a new manual invoice request, External Reference field in General section is not editable.


 SAP Business ByDesign

Reproducing the Issue

  1. Go to Customer Invoicing work center. 
  2. Under Common Tasks select New Manual Invoice. 
  3. External Reference in General section is not editable. 
  4. Click Adapt and Enter adaption mode.
  5. Edit Screen.
  6. Select General section.
  7. External Reference field is marked as Visible.


The External Reference field functionality is determined as per the External Reference Number Determination for Customer Invoice activity.


  1. Go to Business Configuration work center. 
  2. Go to Implementation Projects view. 
  3. Select the project and click on Open Activity List button. 
  4. Select and Open the activity External Reference Number Determination for Customer Invoice.
  5. For Customer Invoice Processing - Manual Invoicing with Invoice type as Invoice and without Predecessor Customer Invoice checkbox.
  6. Change the Determination Method from Copied from Own ID to Copied from Predecessor Reference ID.
  7. Click on Save and Close.

See Also

1720356 - How To Determine The External Reference In A Customer Invoice


Greyed out; Geryout; Gery out; , KBA , SRD-CRM-INV , Customer Invoicing , Problem


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