How To Fix MDG_VALUE_MAPPING059 - Complex mapper: could not create default mapper for proxy element

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_VALUE_MAPPING -

• Message number: 059

• Message text: Complex mapper: could not create default mapper for proxy element

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_VALUE_MAPPING059 - Complex mapper: could not create default mapper for proxy element ?

  The SAP error message MDG_VALUE_MAPPING059 indicates that there is an issue with the complex mapper in the Master Data Governance (MDG) system. Specifically, it states that the system could not create a default mapper for a proxy element. This error typically arises during the value mapping process when the system is unable to find or generate the necessary mapping for a specific data element.
  Causes:
  
  Missing Configuration: The mapping configuration for the specific proxy element may not be set up correctly or is missing entirely.
  Incorrect Data Types: There may be a mismatch in data types between the source and target elements, preventing the mapper from being created.
  Invalid Mapping Rules: The mapping rules defined in the system may be invalid or incomplete, leading to the failure in creating the mapper.
  System Bugs: There could be bugs or issues in the version of SAP MDG you are using that affect the mapping functionality.
  
  Solutions:
  
  
  Check Mapping Configuration:
  
  Go to the MDG configuration settings and verify that the mapping for the specific proxy element is correctly defined.
  Ensure that all necessary mappings are in place and that they are correctly linked to the relevant data elements.
  
  
  
  Review Data Types:
  
  Ensure that the data types of the source and target elements are compatible. If there are discrepancies, adjust the data types accordingly.
  
  
  
  Validate Mapping Rules:
  
  Review the mapping rules defined in the system. Make sure they are complete and correctly configured.
  If necessary, recreate or modify the mapping rules to ensure they align with the expected data structure.
  
  
  
  Check for System Updates:
  
  Ensure that your SAP MDG system is up to date with the latest patches and updates. Sometimes, issues like these are resolved in newer versions or patches.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. There may be known issues or fixes provided by SAP.
  
  
  
  Debugging:
  
  If you have access to the development environment, consider debugging the mapping process to identify the exact point of failure.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error and the context in which it occurs.
  
  
  
  Related Information:
  
  MDG Documentation: Review the official SAP MDG documentation for detailed information on value mapping and configuration.
  Community Forums: Check SAP Community forums for discussions related to this error, as other users may have encountered and resolved similar issues.
  Training and Resources: Consider additional training or resources on SAP MDG to better understand the mapping processes and configurations.
  
  By following these steps, you should be able to diagnose and resolve the MDG_VALUE_MAPPING059 error in your SAP MDG system.