How To Fix DMC_RT_GEN139 - Sender container of migration object &1 contains more than two structures

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_RT_GEN - DMC: Nachrichten der Generierungfunktionen

• Message number: 139

• Message text: Sender container of migration object &1 contains more than two structures

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_RT_GEN139 - Sender container of migration object &1 contains more than two structures ?

  The SAP error message DMC_RT_GEN139 indicates that the sender container of a migration object contains more than two structures. This typically occurs during data migration processes using the SAP Data Migration Cockpit (DMC) or similar tools, where the system expects a specific structure for the data being migrated.
  Cause:
  
  Data Structure Issue: The migration object is expected to have a specific structure, usually defined by the migration template. If the sender container has more than two structures, it means that the data being processed does not conform to the expected format.
  Incorrect Mapping: The mapping of the source data to the target structure may be incorrect, leading to the inclusion of additional structures.
  Configuration Error: There may be a misconfiguration in the migration object setup, where the expected number of structures is not aligned with what is being provided.
  
  Solution:
  
  Review Migration Object Configuration: Check the configuration of the migration object in the SAP Data Migration Cockpit. Ensure that the object is set up correctly and that it is designed to handle the expected data structure.
  Validate Source Data: Inspect the source data being migrated. Ensure that it adheres to the expected format and does not contain additional structures that are not required.
  Adjust Mapping: If the mapping of the source data to the target structure is incorrect, adjust it to ensure that only the required structures are included.
  Consult Documentation: Refer to the SAP documentation for the specific migration object you are working with. This can provide insights into the expected structure and any limitations.
  Test with Sample Data: If possible, test the migration with a smaller set of sample data that conforms to the expected structure to identify if the issue persists.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling migration objects.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Data Migration Cockpit Documentation: Review the official SAP documentation for the Data Migration Cockpit, which may provide additional context on how to structure your data and troubleshoot common errors.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.