How To Fix USMD1129 - Data model &1: Foreign key relationship &2 has DDIC field assignment

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD1 - Datenmodel

• Message number: 129

• Message text: Data model &1: Foreign key relationship &2 has DDIC field assignment

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message USMD1129 - Data model &1: Foreign key relationship &2 has DDIC field assignment ?

  The SAP error message USMD1129 indicates an issue related to a foreign key relationship in a data model, specifically that the foreign key relationship has a Data Dictionary (DDIC) field assignment. This error typically arises in the context of SAP Master Data Governance (MDG) or when working with data models in SAP systems.
  Cause:
  The error occurs when there is a foreign key relationship defined in the data model that references a field in the Data Dictionary, but the assignment or configuration of that relationship is not valid or is not properly set up. This can happen due to:
  
  Incorrect Field Assignment: The field assigned in the foreign key relationship may not exist or may not be correctly defined in the Data Dictionary.
  Inconsistent Data Model: There may be inconsistencies in the data model configuration, such as missing or incorrectly defined entities or attributes.
  Changes in Data Dictionary: If there have been recent changes to the Data Dictionary (like field deletions or modifications), it may lead to this error.
  
  Solution:
  To resolve the USMD1129 error, you can follow these steps:
  
  
  Check Foreign Key Relationship:
  
  Go to the data model in question and review the foreign key relationship that is causing the error.
  Ensure that the fields involved in the relationship are correctly defined and exist in the Data Dictionary.
  
  
  
  Validate Field Assignments:
  
  Verify that the field assignments in the foreign key relationship are correct and correspond to the appropriate fields in the related tables.
  
  
  
  Review Data Model Configuration:
  
  Check the overall configuration of the data model for any inconsistencies or errors.
  Ensure that all entities and attributes are properly defined and linked.
  
  
  
  Adjust Data Dictionary:
  
  If necessary, make adjustments to the Data Dictionary to ensure that the fields referenced in the foreign key relationship are correctly defined.
  
  
  
  Rebuild or Activate Data Model:
  
  After making the necessary changes, you may need to rebuild or activate the data model to apply the changes.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on configuring foreign key relationships in your version of SAP.
  
  
  
  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 errors.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MDGIMG for configuration and SE11 for Data Dictionary maintenance.
  Community Forums: Engage with SAP community forums or support channels for additional insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the USMD1129 error in your SAP environment.