SAP Knowledge Base Article - Public

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


When creating a New Manual Invoice Request or a New Manual Credit Memo 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 has reference to the external business transaction document and is enabled or disabled based on the settings in the External Reference Number Determination for Customer Invoice fine tuning activity in your Business Configuration. The determination in the Customer Invoice or Credit Memo based on this Manual Invoice Request or Manual Credit Memo Request is also based on the settings in the External Reference Number Determination for Customer Invoice fine tuning 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; Invoice; Credit Memo; External Reference; , KBA , SRD-CRM-INV , Customer Invoicing , Problem


SAP Business ByDesign all versions