How To Fix MDG_BS_MAT_DATA_REP020 - Material group &1 replaced by material group &2

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_BS_MAT_DATA_REP -

• Message number: 020

• Message text: Material group &1 replaced by material group &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_BS_MAT_DATA_REP020 - Material group &1 replaced by material group &2 ?

  The SAP error message MDG_BS_MAT_DATA_REP020 indicates that there is a conflict in the material group assignment during the material master data replication process in SAP Master Data Governance (MDG). Specifically, it means that the material group you are trying to use (denoted as &1) has been replaced by another material group (denoted as &2). This typically occurs when there has been a change in the material group hierarchy or when the material group has been marked for deletion or is no longer valid.
  Cause:
  
  Material Group Replacement: The material group you are trying to assign to a material has been replaced by another material group in the system. This could be due to a restructuring of material groups or a decision to consolidate material groups.
  Data Governance Rules: The rules defined in the MDG system may enforce that certain material groups are no longer valid for use, leading to this error when attempting to replicate or create materials with those groups.
  Master Data Changes: Changes made in the master data, such as deactivating or deleting a material group, can lead to this error if there are existing materials still referencing the old group.
  
  Solution:
  
  Check Material Group Validity: Verify the status of the material groups involved. Ensure that the material group &1 is still valid and has not been replaced or marked for deletion in the system.
  Update Material Group Assignment: If the material group has indeed been replaced, update the material master data to use the new material group &2. This can be done through the material master transaction (MM01, MM02) or through the MDG interface.
  Review Change Logs: Check the change logs or history for the material groups to understand why the replacement occurred. This can provide insights into any recent changes made in the system.
  Consult with Data Governance Team: If you are unsure about the changes or the implications of using a different material group, consult with your organization's data governance team or the team responsible for maintaining material master data.
  Adjust MDG Configuration: If necessary, review the MDG configuration settings to ensure that the rules governing material group usage align with your business processes.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like MM01 (Create Material), MM02 (Change Material), or MM03 (Display Material) to manage material master data.
  MDG Configuration: Familiarize yourself with the MDG configuration settings related to material groups and data replication processes.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling material group replacements.
  Documentation: Review SAP documentation on material master data management and MDG processes for best practices and troubleshooting steps.
  
  By following these steps, you should be able to resolve the error and ensure that your material master data is correctly aligned with the current material group structure in your SAP system.