How To Fix COM_DML_ENGINE121 - Relationship type & not possible (data ignored)

SAP Error Message - Details

• Message type: E = Error

• Message class: COM_DML_ENGINE - MDF Processing Layer

• Message number: 121

• Message text: Relationship type & not possible (data ignored)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message COM_DML_ENGINE121 - Relationship type & not possible (data ignored) ?

  The SAP error message COM_DML_ENGINE121 indicates that there is an issue with the relationship type specified in a data manipulation operation, typically in the context of master data management or data integration processes. The message states that the specified relationship type is not possible, and as a result, the data is ignored.
  Cause:
  
  Invalid Relationship Type: The relationship type specified in the operation may not be valid or recognized by the system. This could be due to a typo, an outdated relationship type, or a relationship type that is not configured in the system.
  Data Integrity Issues: There may be inconsistencies or integrity issues in the data being processed, leading to the inability to establish the specified relationship.
  Configuration Issues: The relationship type may not be properly configured in the system settings or may not be allowed for the specific data objects involved.
  Missing Dependencies: The required master data or dependencies for establishing the relationship may be missing or not activated.
  
  Solution:
  
  Check Relationship Type: Verify that the relationship type specified in the operation is correct and exists in the system. You can do this by checking the configuration settings for relationship types in the relevant module (e.g., SAP Master Data Governance).
  Review Data: Ensure that the data being processed is complete and does not have any integrity issues. Check for missing or incorrect entries that could affect the relationship.
  Configuration Review: Review the configuration settings for the relationship types in the system. Ensure that the relationship type is active and properly set up for the data objects you are working with.
  Consult Documentation: Refer to SAP documentation or help resources for specific details about the relationship types and their usage. This can provide insights into any restrictions or requirements.
  Error Logs: Check the application logs or error logs for more detailed information about the error. This may provide additional context or related errors that can help in troubleshooting.
  Testing: If possible, test the operation with a different relationship type or with a simplified dataset to isolate the issue.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes that may address this specific error message or provide guidance on similar issues.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Transaction Codes: Familiarize yourself with transaction codes related to master data management, such as BP (Business Partner), MDG (Master Data Governance), or others relevant to your specific context.
  
  If the issue persists after following these steps, it may be beneficial to reach out to your SAP support team or consult with an SAP expert for further assistance.