How To Fix MDG_BS_MAT_SP010 - Entry with key &1 already exists. Delete one entry

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_BS_MAT_SP - Message for MDG material SP

• Message number: 010

• Message text: Entry with key &1 already exists. Delete one entry

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 MDG_BS_MAT_SP010 - Entry with key &1 already exists. Delete one entry ?

  The SAP error message MDG_BS_MAT_SP010 indicates that there is a duplicate entry in the system for a specific key, which is typically related to the Master Data Governance (MDG) for materials. This error occurs when you attempt to create or update a material master record, and the system finds that an entry with the same key already exists in the database.
  Cause:
  
  Duplicate Entry: The most common cause of this error is that the material you are trying to create or update already exists in the system with the same key (e.g., material number).
  Data Replication Issues: If data is being replicated from another system (like an ERP system), it may lead to duplicates if the replication process is not properly managed.
  Incorrect Data Input: Sometimes, the data being inputted may inadvertently match an existing record due to user error or misunderstanding of the data model.
  
  Solution:
  
  Check Existing Records: Before creating a new material, check the existing records in the system to see if the material already exists. You can do this by searching for the material number in the material master data.
  Delete or Modify Existing Entry: If you find that the entry already exists and it is not needed, you can delete it. If it is needed, you may need to modify the existing entry instead of creating a new one.
  Data Validation: Implement data validation checks in your data entry process to prevent duplicates from being created in the first place.
  Review Replication Settings: If the issue is related to data replication, review the settings and processes to ensure that duplicates are not being created during the replication process.
  Consult Documentation: Refer to SAP documentation or your organization's guidelines for handling material master data to ensure compliance with best practices.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like MM03 (Display Material), MM02 (Change Material), or MM01 (Create Material) to manage material master data.
  MDG Configuration: If you are using SAP MDG, ensure that the configuration settings for material governance are correctly set up to handle duplicates.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  User Authorization: Ensure that you have the necessary authorizations to delete or modify material records in the system.
  
  By following these steps, you should be able to resolve the MDG_BS_MAT_SP010 error and manage your material master data effectively.