How To Fix ARBERP_MAP173 - AN invoice &1: PO reference missing or invalid; invoice parked

SAP Error Message - Details

• Message type: E = Error

• Message class: ARBERP_MAP - Message class for package ARBERP1_MAPPINGS_CMN

• Message number: 173

• Message text: AN invoice &1: PO reference missing or invalid; invoice parked

What causes this issue?

The Ariba Network invoice has no reference to a SAP S/4HANA purchase
order or the reference is invalid (for example the specified purchase
order does not exist). The invoice will be parked in SAP S/4HANA.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

The invoice has to be completed manually in Logistics Invoice
Verification

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ARBERP_MAP173 - AN invoice &1: PO reference missing or invalid; invoice parked ?

  The SAP error message ARBERP_MAP173 indicates that there is an issue with an invoice that has been parked due to a missing or invalid Purchase Order (PO) reference. This error typically occurs during the invoice verification process in the Accounts Payable module when the system cannot find a valid PO associated with the invoice.
  Cause:
  
  Missing PO Reference: The invoice does not have a PO reference, which is required for the invoice verification process.
  Invalid PO Reference: The PO reference provided in the invoice may be incorrect, such as a typo or a reference to a PO that does not exist in the system.
  PO Status: The PO might be closed or not in a status that allows for further invoicing.
  Document Type: The document type of the invoice may not be compatible with the PO reference.
  Configuration Issues: There may be configuration settings in the system that are preventing the proper linkage between the invoice and the PO.
  
  Solution:
  
  Check PO Reference: Verify that the PO reference in the invoice is correct. Ensure that it matches an existing PO in the system.
  Create or Update PO: If the PO reference is missing, create a new PO or update the existing one to ensure it is valid and open for invoicing.
  Review PO Status: Check the status of the PO to ensure it is open and available for further invoices.
  Correct Document Type: Ensure that the document type of the invoice is appropriate for the type of PO being referenced.
  Consult Configuration: If the issue persists, consult with your SAP configuration team to review the settings related to invoice verification and PO linkage.
  Repark the Invoice: After making the necessary corrections, you may need to repark the invoice for it to be processed correctly.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like MIRO (Invoice Verification) to check the invoice details and ME23N (Display Purchase Order) to view the PO.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Authorization: Ensure that the user has the necessary authorizations to access and modify POs and invoices.
  Training and Documentation: Review any training materials or documentation related to invoice processing and PO management in your organization.
  
  By following these steps, you should be able to resolve the ARBERP_MAP173 error and successfully process the parked invoice.