How To Fix COM_DML_ENGINE124 - Relationship key not valid (relationship type &)

SAP Error Message - Details

• Message type: E = Error

• Message class: COM_DML_ENGINE - MDF Processing Layer

• Message number: 124

• Message text: Relationship key not valid (relationship type &)

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 COM_DML_ENGINE124 - Relationship key not valid (relationship type &) ?

  The SAP error message COM_DML_ENGINE124 with the description "Relationship key not valid (relationship type &)" typically occurs in the context of SAP Customer Relationship Management (CRM) or SAP Master Data Governance (MDG) when there is an issue with the relationship data being processed. This error indicates that the system is unable to recognize or validate the specified relationship type for the given key.
  Causes:
  
  Invalid Relationship Type: The relationship type specified in the transaction or data processing does not exist or is not defined in the system.
  Data Inconsistency: There may be inconsistencies in the master data or relationship data that lead to the system being unable to validate the relationship.
  Authorization Issues: The user may not have the necessary authorizations to access or modify the relationship type.
  Configuration Issues: The relationship type may not be properly configured in the system, or there may be missing entries in the customizing settings.
  
  Solutions:
  
  Check Relationship Type: Verify that the relationship type specified in the transaction is valid and exists in the system. You can do this by checking the configuration settings in the relevant customizing transaction (e.g., SPRO).
  Review Master Data: Ensure that the master data (e.g., business partners, customers, vendors) involved in the relationship is correctly maintained and does not have any inconsistencies.
  Authorization Check: Ensure that the user has the necessary authorizations to access and modify the relationship type. This can be checked in the user roles and authorizations.
  Configuration Review: If you have access to the customizing settings, review the configuration for the relationship types to ensure that they are correctly defined and active.
  Consult Documentation: Refer to SAP documentation or help resources for specific details about the relationship types and their configurations.
  Debugging: If the issue persists, consider debugging the process to identify the exact point of failure and gather more information about the error.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like BP (Business Partner), SPRO (Customizing), or SE11 (Data Dictionary) to check the relevant configurations and data.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional guidance.
  Community Forums: Consider searching or posting in SAP community forums for insights from other users who may have encountered similar issues.
  
  If the problem continues after trying the above solutions, it may be beneficial to reach out to your SAP support team or consult with an SAP expert for further assistance.