How To Fix KO834 - Material &1, valuation area &2: MBEW is inconsistent

SAP Error Message - Details

• Message type: E = Error

• Message class: KO - Master data for CO orders

• Message number: 834

• Message text: Material &1, valuation area &2: MBEW is inconsistent

What causes this issue?

In the MBEW valuation data table, the entry for material &v1& in
valuation area &v2& is inconsistent. This is because one of the two
cost estimate numbers KALN1 and KALNR is blank.

System Response

The system does not convert any data for material &v1& in valuation
area &v2&.

How to fix this error?

Inform your system administration.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KO834 - Material &1, valuation area &2: MBEW is inconsistent ?

  The SAP error message KO834 indicates that there is an inconsistency in the Material Valuation Data (MBEW) for a specific material and valuation area. This error typically arises in the context of controlling (CO) and material management (MM) when there are discrepancies in the valuation data for a material.
  Cause:
  
  
  Data Inconsistency: The most common cause of this error is that the valuation data for the material in the MBEW table does not match the expected values. This can happen due to:
  
  Manual changes to material master data that were not properly updated in the MBEW table.
  Incomplete or failed transactions that did not update the MBEW table correctly.
  Issues during the migration of data or during system upgrades.
  
  
  
  Missing Valuation Data: The valuation area may not have the necessary data for the material, leading to inconsistencies.
  
  
  Incorrect Configuration: Configuration settings in the material valuation or controlling area may not align with the actual data.
  
  
  Solution:
  To resolve the KO834 error, you can follow these steps:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03) and verify the valuation data for the material in the relevant valuation area.
  Ensure that all necessary fields are filled correctly.
  
  
  
  Check MBEW Table:
  
  Use transaction SE16 or SE11 to view the MBEW table and check for the specific material and valuation area.
  Look for any discrepancies or missing entries.
  
  
  
  Recalculate Valuation Data:
  
  If you find inconsistencies, you may need to recalculate the valuation data. This can often be done using transaction code CK11N (Create Material Cost Estimate) or CK40N (Change Material Cost Estimate) to regenerate the cost estimates.
  
  
  
  Use Report RCKM0001:
  
  You can run the report RCKM0001 to check for inconsistencies in the material valuation data and correct them.
  
  
  
  Check Configuration:
  
  Review the configuration settings in the controlling area and valuation area to ensure they are set up correctly.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above steps, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: MM03 (Display Material), SE16 (Data Browser), CK11N (Create Material Cost Estimate), CK40N (Change Material Cost Estimate).
  Tables: MBEW (Material Valuation), MARA (General Material Data), MARC (Plant Data for Material).
  SAP Notes: Always check for specific SAP Notes related to your version of SAP, as they may provide patches or additional guidance for resolving this error.
  
  By following these steps, you should be able to identify and resolve the inconsistency causing the KO834 error in SAP.