How To Fix WP128 - Error determining book value for material &

SAP Error Message - Details

• Message type: E = Error

• Message class: WP - Messages from POS interface

• Message number: 128

• Message text: Error determining book value for material &

What causes this issue?

In determining the book value of material &V1&, the system established
an internal error in the interface between two R/3 modules.

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

System Response

The data could not be updated.

How to fix this error?

Please contact the SAP hotline.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WP128 - Error determining book value for material & ?

  The SAP error message WP128, which states "Error determining book value for material &," typically occurs when the system is unable to retrieve the book value for a specific material during a transaction or process. This can happen for several reasons, and understanding the cause is essential for finding a solution.
  Causes of WP128 Error
  
  
  Material Master Data Issues: The material may not be properly set up in the material master. This includes missing or incorrect valuation data.
  
  
  Valuation Class: The valuation class assigned to the material may not be correctly configured, or the account determination for that class may be missing.
  
  
  Missing Accounting Views: The accounting views in the material master may not be maintained, which can lead to the inability to determine the book value.
  
  
  Inactive or Missing Valuation Area: The valuation area (plant or company code) may not be active or properly configured.
  
  
  Currency Issues: There may be issues related to currency settings, such as missing exchange rates or incorrect currency configurations.
  
  
  Data Consistency Issues: There may be inconsistencies in the database or issues with the underlying data that prevent the system from calculating the book value.
  
  
  Solutions to WP128 Error
  
  
  Check Material Master Data:
  
  Go to the material master (transaction code MM03) and verify that all necessary views, especially the accounting view, are correctly maintained.
  Ensure that the valuation type and valuation class are correctly assigned.
  
  
  
  Review Valuation Class:
  
  Check the configuration of the valuation class in the account determination settings (transaction code OBYC).
  Ensure that the correct accounts are assigned for the valuation class.
  
  
  
  Maintain Accounting Views:
  
  If the accounting views are missing, you may need to create or update them using transaction code MM01 or MM02.
  
  
  
  Check Valuation Area Settings:
  
  Ensure that the valuation area (plant or company code) is active and properly configured in the system.
  
  
  
  Currency Configuration:
  
  Verify that the currency settings are correct and that the necessary exchange rates are maintained in the system.
  
  
  
  Data Consistency Check:
  
  Run consistency checks or reports to identify any data inconsistencies that may be causing the issue.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information
  
  Transaction Codes: MM01 (Create Material), MM02 (Change Material), MM03 (Display Material), OBYC (Automatic Account Determination).
  SAP Documentation: Refer to SAP Help documentation for detailed information on material valuation and accounting settings.
  User Forums: Engage with SAP community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the WP128 error and implement the necessary solutions to resolve it.