How To Fix CM_SUB_MLI027 - Inheritance relationships could not be created

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_SUB_MLI - Messages for Multilevel Inheritance

• Message number: 027

• Message text: Inheritance relationships could not be created

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 CM_SUB_MLI027 - Inheritance relationships could not be created ?

  The SAP error message CM_SUB_MLI027, which states "Inheritance relationships could not be created," typically occurs in the context of managing master data, particularly when dealing with classification or inheritance relationships in SAP's Master Data Governance (MDG) or similar modules.
  Causes:
  
  
  Missing or Incomplete Data: The error may arise if the data required to establish inheritance relationships is incomplete or missing. This could include missing attributes or classifications that are necessary for the relationship to be formed.
  
  
  Configuration Issues: There may be configuration issues in the system that prevent the creation of inheritance relationships. This could involve settings in the classification system or in the data model.
  
  
  Authorization Issues: The user may not have the necessary authorizations to create or modify inheritance relationships.
  
  
  Technical Errors: There could be underlying technical issues, such as database constraints or system bugs, that prevent the creation of these relationships.
  
  
  Data Model Constraints: The data model may have constraints that are not being met, such as relationships that are not allowed or incompatible data types.
  
  
  Solutions:
  
  
  Check Data Completeness: Ensure that all required fields and attributes are filled out correctly. Review the data being used to create the inheritance relationships and make sure it meets all necessary criteria.
  
  
  Review Configuration Settings: Check the configuration settings related to classification and inheritance in the SAP system. Ensure that the settings are correctly defined to allow for the creation of inheritance relationships.
  
  
  Authorization Check: Verify that the user attempting to create the inheritance relationships has the necessary authorizations. If not, work with your SAP security team to grant the appropriate permissions.
  
  
  Consult Logs and Traces: Look into system logs or traces to identify any underlying technical issues that may be causing the error. This can provide more context on what is failing.
  
  
  Data Model Review: Review the data model to ensure that it supports the desired inheritance relationships. Make sure that there are no constraints that would prevent the creation of these relationships.
  
  
  SAP Notes and Support: Check for any relevant SAP Notes that may address this specific error. SAP frequently releases updates and patches that may resolve known issues.
  
  
  Testing in a Sandbox: If possible, replicate the issue in a sandbox environment to test different scenarios and configurations without affecting the production system.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for guidance on managing classification and inheritance relationships.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to diagnose and resolve the CM_SUB_MLI027 error in your SAP system.