How To Fix DMC_GENERAL171 - Structure &1 (parent &2) moved down or replaced

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_GENERAL - MWB: General Messages

• Message number: 171

• Message text: Structure &1 (parent &2) moved down or replaced

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_GENERAL171 - Structure &1 (parent &2) moved down or replaced ?

  The SAP error message DMC_GENERAL171 typically occurs in the context of Data Migration Cockpit (DMC) or during data migration processes. This error indicates that a structure (or a data object) has been moved down or replaced, which can lead to issues in data mapping or data integrity.
  Cause:
  
  Data Structure Changes: The error often arises when there are changes in the data structure of the source or target systems. This could be due to updates in the data model, changes in the fields, or modifications in the hierarchy of the data.
  Mapping Issues: If the mapping between the source and target structures is not correctly defined or if the structure has been altered after the mapping was created, this error can occur.
  Version Mismatch: If there is a version mismatch between the source and target systems, it can lead to discrepancies in the expected data structure.
  
  Solution:
  
  Review Data Structures: Check the data structures in both the source and target systems to ensure they match. Look for any changes that may have been made recently.
  Update Mapping: If there have been changes in the data structure, update the mapping in the Data Migration Cockpit to reflect these changes. Ensure that all fields are correctly mapped.
  Check for Dependencies: Investigate if there are any dependencies or relationships between the structures that may have been affected by the changes.
  Recreate the Migration Object: In some cases, it may be necessary to recreate the migration object or the data migration project to ensure that all settings are correctly applied.
  Consult Documentation: Refer to SAP documentation or notes related to the Data Migration Cockpit for any specific guidance on handling this error.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Data Migration Cockpit Documentation: Review the official SAP documentation for the Data Migration Cockpit for best practices and guidelines on data migration.
  Community Forums: Engage with SAP community forums or support channels where other users may have encountered similar issues and can provide insights or solutions.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.