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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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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