How To Fix DMU103 - Node type &1 from node &2 is not defined

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 103

• Message text: Node type &1 from node &2 is not defined

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMU103 - Node type &1 from node &2 is not defined ?

  The SAP error message DMU103, which states "Node type &1 from node &2 is not defined," typically occurs in the context of Data Migration or Data Management processes within SAP systems. This error indicates that the system is trying to reference a node type that has not been defined in the relevant data model or structure.
  Cause:
  
  Missing Node Definition: The node type specified in the error message is not defined in the data model. This could happen if the data model was not properly configured or if there was a mistake in the data migration setup.
  Incorrect Configuration: There may be a misconfiguration in the data migration tools or templates being used, leading to references to non-existent node types.
  Version Mismatch: If you are using different versions of the data model or migration tools, it may lead to inconsistencies where certain node types are not recognized.
  
  Solution:
  
  Check Node Definitions: Verify that the node type (&1) and the parent node (&2) are correctly defined in the data model. You may need to consult the data model documentation or configuration settings.
  Update Data Model: If the node type is indeed missing, you may need to create or define it in the data model. This can involve using transaction codes like DMO or DMT depending on your specific SAP environment.
  Review Migration Templates: If you are using migration templates, ensure that they are correctly set up and that all required node types are included.
  Consult Documentation: Refer to SAP documentation or notes related to the specific data migration process you are using. There may be specific guidelines or updates that address this issue.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as this may resolve compatibility issues.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to the DMU103 error. SAP frequently releases notes that provide solutions or workarounds for specific error messages.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues. You can find discussions, solutions, and best practices.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as DMT, DMO, or others related to data migration and management in SAP.
  
  If the issue persists after following these steps, it may be beneficial to reach out to SAP support for further assistance.