How To Fix MDC_MAT_MODEL008 - Material with Source ID &1/Source System &2 exists in source tables

SAP Error Message - Details

• Message type: E = Error

• Message class: MDC_MAT_MODEL -

• Message number: 008

• Message text: Material with Source ID &1/Source System &2 exists in source tables

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 MDC_MAT_MODEL008 - Material with Source ID &1/Source System &2 exists in source tables ?

  The SAP error message MDC_MAT_MODEL008 indicates that there is a conflict with the material data being processed in the system. Specifically, it means that a material with the specified Source ID and Source System already exists in the source tables, which prevents the creation or modification of the material in the system.
  Cause:
  
  Duplicate Entry: The most common cause of this error is that the material you are trying to create or modify already exists in the source tables of the system. This could be due to a previous import or data migration process that has already created a record with the same Source ID and Source System.
  Data Consistency Issues: There may be inconsistencies in the data being imported or processed, leading to conflicts with existing records.
  Incorrect Source System Configuration: The source system may not be correctly configured, leading to issues with data synchronization.
  
  Solution:
  
  
  Check Existing Records: Use transaction codes like SE16 or SE11 to check the relevant source tables (e.g., MARA, MARC) for existing entries with the same Source ID and Source System. If a duplicate exists, you may need to decide whether to update the existing record or to use a different Source ID.
  
  
  Data Cleanup: If the existing record is not needed, you may consider deleting it or archiving it if it is no longer relevant. Ensure that you have the necessary authorizations and that you follow your organization's data governance policies.
  
  
  Modify Source ID: If the existing record is valid and should remain in the system, consider using a different Source ID for the new material you are trying to create.
  
  
  Review Data Import Process: If this error occurs during a data import process, review the data being imported to ensure there are no duplicates and that the data is consistent with the existing records in the system.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to material master data management for additional guidance on handling such errors.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE16 (Data Browser), SE11 (Data Dictionary), and MM01/MM02 (Material Master Create/Change) for managing material data.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for the error message number in the SAP Support Portal.
  Data Migration Tools: If you are using data migration tools (like LSMW or SAP Data Services), ensure that the mapping and transformation rules are correctly set up to avoid duplicates.
  
  By following these steps, you should be able to resolve the MDC_MAT_MODEL008 error and successfully manage your material data in SAP.