How To Fix DMC_GENERAL169 - Hierarchy of structure &1 (parent &2) changed.

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_GENERAL - MWB: General Messages

• Message number: 169

• Message text: Hierarchy of structure &1 (parent &2) changed.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_GENERAL169 - Hierarchy of structure &1 (parent &2) changed. ?

  The SAP error message DMC_GENERAL169, which states "Hierarchy of structure &1 (parent &2) changed," typically occurs in the context of data management and data consistency checks within SAP systems, particularly when dealing with master data or hierarchical structures.
  Cause:
  This error usually arises when there is a change in the hierarchy of a structure that is being referenced or processed. The specific causes can include:
  
  
  Changes in Master Data: If the hierarchy of a master data structure (like a cost center, profit center, or any other hierarchical data) has been modified, it can lead to inconsistencies when the system tries to access or process that data.
  
  
  Data Migration or Uploads: If data is being migrated or uploaded into the system and the hierarchy structure has been altered during this process, it can trigger this error.
  
  
  Concurrent Changes: If multiple users or processes are making changes to the same hierarchical structure simultaneously, it can lead to conflicts and this error message.
  
  
  Solution:
  To resolve the DMC_GENERAL169 error, you can take the following steps:
  
  
  Check Hierarchy Changes: Review the changes made to the hierarchy of the structure in question. You can use transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser) to inspect the relevant tables and structures.
  
  
  Consistency Check: Run consistency checks on the affected data structures to identify any discrepancies. This can often be done through specific SAP reports or tools designed for data consistency.
  
  
  Reprocess the Data: If the error occurred during a data upload or migration, you may need to reprocess the data after ensuring that the hierarchy is stable and consistent.
  
  
  Locking Mechanisms: Ensure that no other processes are trying to modify the same hierarchical structure while you are working with it. Implement proper locking mechanisms if necessary.
  
  
  Consult Documentation: Check SAP Notes and documentation for any specific guidance related to this error message. SAP frequently updates its knowledge base with solutions for common issues.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. Provide them with detailed information about the error, including the context in which it occurred.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that can help you analyze and manage hierarchical structures, such as SE11, SE16, and others related to data management.
  SAP Notes: Search for SAP Notes related to DMC_GENERAL169 for any patches or updates that may address this issue.
  Data Management Tools: Explore SAP's data management tools and functionalities that can help maintain data integrity and consistency, especially when dealing with hierarchical data.
  
  By following these steps, you should be able to diagnose and resolve the DMC_GENERAL169 error effectively.