How To Fix DMU164 - Node &1 was renamed to &2

SAP Error Message - Details

• Message type: E = Error

• Message class: DMU - Digital Mock Up (DMU)

• Message number: 164

• Message text: Node &1 was renamed to &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMU164 - Node &1 was renamed to &2 ?

  The SAP error message DMU164, which states "Node &1 was renamed to &2," typically occurs in the context of Data Migration or Data Management processes, particularly when using the Data Migration Workbench (DMW) or similar tools. This message indicates that a node (which can refer to a data structure or element) has been renamed during a migration or transformation process.
  Cause:
  
  Data Structure Changes: The error often arises when there are changes in the data structure, such as renaming fields or nodes in the source system that do not match the expected names in the target system.
  Mapping Issues: If the mapping between the source and target data structures is not correctly defined, it can lead to discrepancies where the system attempts to rename nodes to align with the target structure.
  Versioning: If there are different versions of the data model being used, it may lead to inconsistencies in node names.
  
  Solution:
  
  Check Mapping Configuration: Review the mapping configuration in the Data Migration Workbench or the relevant tool you are using. Ensure that the source and target nodes are correctly mapped and that any renaming is intentional and correctly defined.
  Update Data Structures: If the renaming is not intended, you may need to update the data structures in the source or target system to ensure consistency. This may involve modifying the data model or adjusting the migration scripts.
  Consult Documentation: Refer to the SAP documentation for the specific version of the tool you are using. There may be specific guidelines or best practices for handling node renaming.
  Testing: Conduct thorough testing of the migration process to ensure that all nodes are correctly recognized and that any renaming does not lead to data loss or integrity issues.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context on handling node renaming during 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.
  Data Migration Best Practices: Familiarize yourself with best practices for data migration in SAP, including proper mapping, testing, and validation processes to minimize errors like DMU164.
  
  By addressing the underlying causes and following the suggested solutions, you should be able to resolve the DMU164 error effectively.