3344905 - Error 'Enter a cross-company code sales document' returns by app Generate Intercompany Billing Request - SAP S/4HANA Cloud Public Edition

If the Fiori app "Generate Intercompany Billing Request" fails to create Intercompany Billing as anticipated, and the error message 'Enter a cross-company code sales document' appears, it is advisable to verify if the following configuration activity has been properly set up:

• 5.1 Define Internal Customer Number By Sales Organization - Setting Up Intercompany Billing for Cross-Company Cost Accounting Postings (4AN)

SAP S/4HANA Cloud Public Edition

Missing or incorrect configuration in configuration activity 'Define Internal Customer Number By Sales Organization'.

Assign Cust.Inter-Co.Bill  Sales Org. in the configuration activity.

Refer to 5.1 Define Internal Customer Number By Sales Organization - Setting Up Intercompany Billing for Cross-Company Cost Accounting Postings (4AN).

• Setting Up Intercompany Billing for Cross-Company Cost Accounting Postings (4AN)
• 2694628 - App "Generate Intercompany Billing Request" is not working

DPICB 004, Intercompany Billing Request, cross-company , KBA , SD-BIL-IV-IB-2CL , Intercompany Billing (Public Cloud) , PS-ST-2CL , Please use PPM-SCL* , PPM-SCL-BIL-FIO , Fiori UI for Project Billing (Public Cloud) , Problem