3784185 - Supplier Subsequent Debit/Credit: Separate Invoice Number Series By Creation Source Not Supported - SAP S/4 HANA Cloud Public Edition

• A separate invoice series (number range) is required for supplier documents created manually versus via API.
• Supplier Subsequent Debit and Supplier Subsequent Credit (Purchase Return / Debit/Credit Memo to Supplier) are affected.
• When created through API integration or by specific technical/business users, the system should keep using the existing invoice series.
• No specific error messages or error codes provided.

• Product: SAP S/4HANA Cloud Public Edition
• Fiori UI for Invoice Verification (Public Cloud)

• The supplier-invoice number is assigned from a single series based on accounting document type, company code, and financial year; it is not influenced by creation channel (manual, API) or by the user.
• Flexible numbering available on the Sales side is not available for supplier (Materials Management) invoices.
• Assigning an external number to a supplier invoice is not allowed and leads to a system error.

1. Acknowledge the current product behavior: splitting supplier-invoice number series by creation source or by user is not supported in SAP S/4HANA Cloud Public Edition.
2. Use the Supplier Invoices list apps to distinguish documents by creation channel: filter or group by “Created By” and “Entry Type/Source”.
3. For interface-created invoices, store any external reference in the “Reference Document Number” field; do not attempt external numbering.
4. Avoid any design that forces external number ranges for supplier invoices, as this leads to system errors.
5. Validate local legal requirements regarding sequential numbering before considering any process changes that imply number series splits.
6. If this capability is required, submit a request via the Customer Influence program, referencing the flexible billing numbering concept on the Sales side as an example.

• Refer to: KBA 3739065 — Supplier invoices use FI document-type number ranges by fiscal year
• Refer to: KBA 3713167 — Fiscal-year number-range reset/exhaustion considerations
• Refer to: KBA 3299504 — Flexible billing document numbering is Sales-only
• Refer to: KBA 3627799 — External number range on supplier invoice not supported (error/dump)

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