Symptom
The new custom field has already been added to the parameter list and appears in Assign Formula Parameters, but it does not appear in Assign Parameter Priority in Define Formulas for Flexible Billing Document Numbering (SSCUI 103306).
Environment
SAP S/4HANA Cloud Public Edition
Reproducing the Issue
1. Create a new field using 'Custom Logic'.
2. Create the BADI to populate the field at header
3. Define Custom Routines for Data Transfer to Billing Documents (SSCUI 102865).
4. Define Parameter Catalog for Flexible Billing Document Numbering (SSCUI 103305).
5. Define Formulas for Flexible Billing Document Numbering (SSCUI 103306).
Cause
Custom fields can be manually added in Assign Parameter Priority within Formula Tasks. However, when a decision table already contains data in the system, direct addition or deletion of priority fields in the custom field is not permitted.
Resolution
See Also
Flexible Billing Document Numbering | SAP Help Portal
Custom Logic to Implement Flexible Billing Document Numbering - SAP Community
3253020 - How to set up flexible billing document numbering - SAP for Me
Keywords
Flexible billing document, Configurable parameters and formulas, CPF, Custom Logic, Define Formulas for Flexible Billing Document Numbering, 103306, Assign Formula Parameters, Assign Parameter Priority , KBA , SD-BIL-IV-2CL , Processing Billing Documents (Public Cloud) , Problem