How To Fix MDG_MDF128 - Definition of characteristic &1 has changed

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_MDF - Master Data: Messages

• Message number: 128

• Message text: Definition of characteristic &1 has changed

What causes this issue?

The definition of characteristic &v1& has changed. Part of the generated
data structures no longer match the changed definition of this
characteristic. Therefore, a regeneration of the data structures has
become necessary.

System Response

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

How to fix this error?

Regenerate the data structures.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_MDF128 - Definition of characteristic &1 has changed ?

  The SAP error message MDG_MDF128, which states "Definition of characteristic &1 has changed," typically occurs in the context of Master Data Governance (MDG) when there is a change in the definition of a characteristic that is being used in a data model or a data governance process. This can happen due to various reasons, such as changes in the underlying data model, updates to the configuration, or modifications in the characteristics themselves.
  Cause:
  
  Change in Data Model: The characteristic in question has been modified in the data model, which could include changes to its data type, length, or other attributes.
  Configuration Changes: Changes made in the configuration settings of the MDG application or the underlying data model can lead to this error.
  Inconsistent Data: If the data being processed does not align with the new definition of the characteristic, it can trigger this error.
  Transport Issues: If changes were transported from a development environment to a production environment without proper adjustments, it may lead to inconsistencies.
  
  Solution:
  
  Review Changes: Check the change logs or documentation to understand what modifications were made to the characteristic. This can help identify if the changes are intentional or if they need to be reverted.
  Update Data Model: If the characteristic definition has changed, ensure that all relevant data models and configurations are updated accordingly.
  Data Consistency Check: Validate the data being processed to ensure it complies with the new definition of the characteristic. You may need to clean or transform the data to meet the new requirements.
  Reconfigure MDG Settings: If necessary, reconfigure the MDG settings to align with the new characteristic definition.
  Testing: After making the necessary changes, conduct thorough testing to ensure that the error is resolved and that the system behaves as expected.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Refer to the official SAP documentation for Master Data Governance to understand the implications of changing characteristics and how to manage them effectively.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  
  If the issue persists after following these steps, it may be beneficial to consult with an SAP expert or support team for further assistance.