How To Fix USMD1402 - Data model &1: DDIC structure &2 could not be activated

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD1 - Datenmodel

• Message number: 402

• Message text: Data model &1: DDIC structure &2 could not be activated

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message USMD1402 - Data model &1: DDIC structure &2 could not be activated ?

  The SAP error message USMD1402 indicates that there is an issue with the activation of a Data Dictionary (DDIC) structure in the context of a data model. This error typically arises in the SAP Master Data Governance (MDG) environment when there are inconsistencies or issues with the underlying data model or its associated structures.
  Cause:
  
  Inconsistent Data Model: The data model may have inconsistencies or errors that prevent the activation of the DDIC structure.
  Missing or Incorrect Definitions: The DDIC structure may be missing required fields or have incorrect definitions that do not comply with the expected format.
  Transport Issues: If the data model or its components were transported from another system, there may be issues related to the transport that need to be resolved.
  Authorization Issues: The user attempting to activate the structure may not have the necessary authorizations to perform this action.
  Database Issues: There may be underlying database issues that are preventing the activation of the structure.
  
  Solution:
  
  Check Data Model Consistency: Use transaction codes like MDGIMG to check the consistency of the data model. Look for any inconsistencies or errors that need to be resolved.
  Review DDIC Structure: Go to transaction SE11 (Data Dictionary) and check the structure mentioned in the error message. Ensure that all fields are correctly defined and that there are no missing components.
  Transport Management: If the issue is related to transport, ensure that all necessary objects have been transported correctly and that there are no missing dependencies.
  Authorization Check: Verify that the user has the necessary authorizations to activate DDIC structures. This can be done by checking the user's roles and authorizations in transaction SU01.
  Database Check: If there are database issues, check the database logs for any errors and resolve them accordingly. You may need to consult with your database administrator.
  Re-activate the Structure: After addressing the above points, try to re-activate the DDIC structure again.
  
  Related Information:
  
  Transaction Codes: 
  
  SE11 - Data Dictionary
  MDGIMG - Master Data Governance Implementation Guide
  SU01 - User Maintenance
  
  
  SAP Notes: Check SAP Notes related to the specific error message for any known issues or patches that may resolve the problem.
  Logs and Traces: Review system logs and traces for additional information that may help diagnose the issue.
  
  If the problem persists after following these steps, it may be beneficial to consult with SAP support or your internal SAP team for further assistance.