How To Fix VMP_MSG376 - You cannot save as source and target hierarchy structures do not match.

SAP Error Message - Details

• Message type: E = Error

• Message class: VMP_MSG - VMP Message Manager

• Message number: 376

• Message text: You cannot save as source and target hierarchy structures do not match.

Self-Explanatory Message

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• What is the cause and solution for SAP error message VMP_MSG376 - You cannot save as source and target hierarchy structures do not match. ?

  SAP Error Message:
  
  VMP_MSG376: You cannot save as source and target hierarchy structures do not match.
  
  Cause:
  This error occurs when you try to save or transport hierarchy data (e.g., in Variant Configuration, Classification, or other master data involving hierarchies) and the source hierarchy structure does not match the target hierarchy structure. Specifically, the nodes, levels, or structure of the hierarchy in the source system differ from those in the target system, causing inconsistency.
  Common scenarios include:
  
  The hierarchy in the target system has been changed (nodes added, deleted, or reordered).
  The hierarchy in the source system is outdated or different from the target.
  Attempting to save or transport hierarchy-dependent data without synchronizing the hierarchy structures.
  
  
  Solution:
  
  
  Check Hierarchy Structures:
  
  Compare the hierarchy structures in the source and target systems.
  Use transaction codes or tools relevant to your module (e.g., CL20N for classification hierarchies, or specific VC transactions) to display and compare hierarchies.
  
  
  
  Synchronize Hierarchies:
  
  Ensure that the hierarchy structure in the source system matches exactly with the target system.
  If the target hierarchy has changed, update the source hierarchy accordingly.
  Alternatively, update the target hierarchy to match the source if that is the intended structure.
  
  
  
  Transport Hierarchy Changes:
  
  If hierarchy changes are required, transport the hierarchy structure first before transporting dependent data.
  Use the appropriate transport objects for hierarchy structures.
  
  
  
  Recreate or Adjust Hierarchy:
  
  If synchronization is not possible, consider recreating the hierarchy in the source system to match the target.
  Validate the hierarchy nodes, levels, and relationships.
  
  
  
  Check for Customizing or Master Data Consistency:
  
  Sometimes customizing or master data inconsistencies cause this error.
  Verify that all related customizing settings are consistent across systems.
  
  
  
  
  Related Information:
  
  This error is common in Variant Configuration (VC), Classification, and Material Master scenarios where hierarchies define characteristics or classification nodes.
  The error prevents saving inconsistent data that could cause runtime errors or incorrect data processing.
  Always transport hierarchy structures before transporting dependent data.
  Use SAP standard tools or reports to compare hierarchies if available.
  Consult SAP Notes or OSS messages if the problem persists after hierarchy synchronization.
  
  
  Summary:
  
  The error VMP_MSG376 indicates a mismatch between source and target hierarchy structures. To resolve it, ensure both hierarchies are identical by synchronizing or transporting the hierarchy structure before saving or transporting dependent data.