How To Fix DMC_GENERAL013 - Sibling sender nodes mapped as DEFAULT to same recipient node

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_GENERAL - MWB: General Messages

• Message number: 013

• Message text: Sibling sender nodes mapped as DEFAULT to same recipient node

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_GENERAL013 - Sibling sender nodes mapped as DEFAULT to same recipient node ?

  The SAP error message DMC_GENERAL013 indicates that there is a configuration issue in the Data Migration Cockpit (DMC) where multiple sibling sender nodes are mapped to the same recipient node as "DEFAULT." This typically occurs in scenarios where data is being migrated or transformed, and the system is unable to determine which sender node should be used for the mapping.
  Cause:
  The error is caused by the following:
  
  Duplicate Mapping: Two or more sibling nodes (which are at the same level in the hierarchy) are configured to map to the same recipient node without a clear distinction.
  Configuration Error: There may be a misconfiguration in the data mapping setup, leading to ambiguity in how the data should be processed.
  Hierarchy Issues: The structure of the data hierarchy may not be correctly defined, causing conflicts in the mapping.
  
  Solution:
  To resolve the DMC_GENERAL013 error, you can follow these steps:
  
  
  Review Mapping Configuration:
  
  Go to the Data Migration Cockpit and check the mapping configuration for the sender and recipient nodes.
  Ensure that each sibling sender node is mapped to a unique recipient node or that they are correctly differentiated.
  
  
  
  Adjust Node Mappings:
  
  If multiple sibling nodes are intended to map to the same recipient, consider using a different mapping strategy (e.g., using specific conditions or criteria to differentiate them).
  If necessary, create additional recipient nodes to accommodate the mappings without conflicts.
  
  
  
  Check Hierarchical Structure:
  
  Verify the hierarchical structure of the data being migrated. Ensure that the relationships between nodes are correctly defined and that there are no unintended duplications.
  
  
  
  Test the Configuration:
  
  After making adjustments, test the configuration to ensure that the error is resolved and that data is being processed as expected.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or guides related to the Data Migration Cockpit for best practices on mapping configurations and troubleshooting common errors.
  
  
  
  Seek Support:
  
  If the issue persists, consider reaching out to SAP support or consulting with a technical expert who specializes in SAP data migration.
  
  
  
  Related Information:
  
  Data Migration Cockpit (DMC): A tool used in SAP for migrating data from legacy systems to SAP systems, allowing for data mapping, transformation, and validation.
  Mapping Nodes: In DMC, nodes represent data entities, and mapping defines how data from source nodes (senders) is transformed and loaded into target nodes (recipients).
  Error Handling: Understanding how to handle and troubleshoot errors in DMC is crucial for successful data migration projects.
  
  By following these steps, you should be able to resolve the DMC_GENERAL013 error and ensure a smooth data migration process.