How To Fix MDG_MDF115 - Field &1 cannot be a node in hierarchies of characteristic &2

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_MDF - Master Data: Messages

• Message number: 115

• Message text: Field &1 cannot be a node in hierarchies of characteristic &2

What causes this issue?

According to the data basis definition, &v1& should be used as a node
characteristic in hierarchies of characteristic &v2&. However, the
definition of data basis &v4& already shows that a different field (&v3&
) should be used as the node characteristic for &v2&. The assignment of
the node characteristic must be unique for the entire client.

System Response

Your changes cannot be saved.

How to fix this error?

Correct the definition of the data basis. This error is usually due to
inappropriate role assignments.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_MDF115 - Field &1 cannot be a node in hierarchies of characteristic &2 ?

  The SAP error message MDG_MDF115 indicates that a specific field (denoted as &1) cannot be used as a node in the hierarchies of a characteristic (denoted as &2) in the Master Data Governance (MDG) module. This error typically arises when there is an issue with the configuration of the hierarchy or the characteristics in the MDG system.
  Cause:
  
  Field Configuration: The field specified in the error message is not configured correctly to be used as a node in a hierarchy. This could be due to the field not being defined as a characteristic that can participate in hierarchical structures.
  Data Model Issues: The data model may not support the hierarchical structure for the specified characteristic. This could be due to missing settings or incorrect relationships between the fields and characteristics.
  Inconsistent Data: There may be inconsistencies in the data that prevent the field from being recognized as a valid node in the hierarchy.
  
  Solution:
  
  
  Check Field Configuration:
  
  Go to the data model configuration in the MDG system and verify that the field (&1) is correctly defined as a characteristic that can be used in hierarchies.
  Ensure that the field is marked as a node in the hierarchy settings.
  
  
  
  Review Data Model:
  
  Check the data model associated with the characteristic (&2) to ensure that it is set up to allow hierarchical relationships.
  Make sure that the characteristic is properly linked to the relevant fields and that the hierarchy settings are correctly defined.
  
  
  
  Data Consistency:
  
  Review the data entries for the field and characteristic to ensure there are no inconsistencies or invalid entries that could be causing the error.
  Validate the data to ensure it adheres to the expected formats and relationships.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidelines on configuring hierarchies and characteristics in MDG.
  Check for any notes or updates from SAP that may address this specific error.
  
  
  
  Testing:
  
  After making the necessary changes, test the configuration by attempting to create or modify the hierarchy again to see if the error persists.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or fixes related to this error.
  MDG Configuration Guides: Review the configuration guides for Master Data Governance to ensure that all settings are correctly applied.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed, and solutions shared.
  
  If the issue persists after following these steps, it may be beneficial to reach out to SAP support for further assistance.