How To Fix M8789 - Stock value and quantity are unrealistic: & & & & -> see long text

SAP Error Message - Details

• Message type: E = Error

• Message class: M8 - Invoice Verification/Valuation

• Message number: 789

• Message text: Stock value and quantity are unrealistic: & & & & -> see long text

What causes this issue?

Das System hat eine Dateninkonsistenz im Materialstammsatz festgestellt:
&V1& &V2& &V3& &V4&
Beispiele:
negativer Bestandswert bei einer positiven Bestandsmenge
positiver Bestandswert bei einer negativen Bestandsmenge
negativer Bestandswert bei einem positivem Verkaufswert
positiver Bestandswert bei einem negativem Verkaufswert

System Response

Das System lS?t keine Rechnungen zu diesem Material zu, solange die
Inkonsistenz nicht behoben ist. Eine weitere Buchung k?nnte eine gr??ere
Inkonsistenz verursachen.

How to fix this error?

Prnfen Sie den Bestandswert und die Bestandsmenge bzw. fnr Wertartikel
den Bestandswert und den Verkaufswert.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M8789 - Stock value and quantity are unrealistic: & & & & -> see long text ?

  The SAP error message M8789 indicates that there is an inconsistency between the stock value and quantity in the system. This typically occurs when the system detects that the stock value does not align with the quantity of stock on hand, which can happen for various reasons, such as incorrect postings, data corruption, or issues during inventory management processes.
  Causes:
  
  Incorrect Inventory Postings: Manual entries or incorrect transactions that do not reflect the actual stock levels or values.
  Data Corruption: Issues in the database or during data migration that lead to discrepancies in stock values and quantities.
  Unposted Documents: Transactions that have not been fully processed or posted can lead to temporary inconsistencies.
  Valuation Method Issues: Problems with the valuation method used for inventory (e.g., moving average, FIFO, etc.) can cause discrepancies.
  Stock Adjustments: Manual adjustments or corrections that were not properly reflected in the system.
  
  Solutions:
  
  Check Inventory Documents: Review the relevant inventory documents to identify any discrepancies in postings. Use transaction codes like MB51 (Material Document List) to analyze the postings.
  Reconcile Stock Values: Use transaction code MB5B (Stock on Posting Date) to check the stock values and quantities. Compare these with the expected values.
  Post Unposted Documents: Ensure that all relevant documents are posted correctly. Use transaction codes like MIGO or MB1A to post any missing transactions.
  Run Inventory Reconciliation: Use the transaction code MI20 (Inventory Differences) to identify and resolve any differences in stock levels.
  Check Valuation Settings: Review the material master data and valuation settings to ensure they are configured correctly.
  Consult SAP Notes: Check for any relevant SAP Notes that may address known issues related to this error message.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MIGO, MB1A, MB5B, and MI20 for inventory management.
  SAP Help Documentation: Refer to SAP's official documentation for detailed explanations of inventory management processes and error handling.
  User Forums and Communities: Engage with SAP user communities or forums for shared experiences and solutions from other users who may have encountered the same issue.
  
  If the problem persists after following these steps, it may be necessary to involve your SAP support team or consult with SAP directly for further assistance.