How To Fix WRF_WSUBST020 - Read material &1; data inconsistency

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_WSUBST - Article Substitution: Messages Central Determination Logic

• Message number: 020

• Message text: Read material &1; data inconsistency

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WRF_WSUBST020 - Read material &1; data inconsistency ?

  The SAP error message WRF_WSUBST020 indicates a data inconsistency issue related to the material master data in the SAP system. This error typically arises when the system attempts to read or process material data, but finds that the data is incomplete or inconsistent.
  Cause:
  
  Missing Data: The material master record may be missing essential data fields that are required for processing.
  Inconsistent Data: There may be inconsistencies in the data across different views of the material master (e.g., sales, purchasing, or inventory views).
  Data Corruption: The material data may have been corrupted due to system errors, improper data migration, or manual entry errors.
  Configuration Issues: Incorrect configuration settings in the system can lead to inconsistencies in how material data is processed.
  
  Solution:
  
  
  Check Material Master Data:
  
  Use transaction code MM03 to display the material master data for the affected material (indicated by &1 in the error message).
  Verify that all required fields are filled in and that there are no inconsistencies across different views.
  
  
  
  Consistency Check:
  
  Run a consistency check for the material master data using transaction MM02 to make necessary corrections.
  You can also use transaction MM17 for mass changes if multiple materials are affected.
  
  
  
  Data Repair:
  
  If you identify any missing or incorrect data, update the material master record accordingly.
  Ensure that all relevant views (e.g., Basic Data, Sales, Purchasing, etc.) are correctly maintained.
  
  
  
  Check Configuration:
  
  Review the configuration settings related to material management to ensure they are set up correctly.
  Consult with your SAP Basis or configuration team if you suspect configuration issues.
  
  
  
  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.
  
  
  
  System Logs:
  
  Review system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  Related Information:
  
  Transaction Codes: MM03 (Display Material), MM02 (Change Material), MM17 (Mass Change of Material).
  SAP Notes: Search for specific SAP Notes related to WRF_WSUBST020 for any known issues or patches.
  Documentation: Refer to SAP Help documentation for material master data management for best practices and guidelines.
  
  If the issue persists after following these steps, it may be necessary to involve your SAP support team or consult with SAP directly for further assistance.