How To Fix MDG_IDM_TOOLS021 - Number of mapping groups passed to key mapping framework: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_IDM_TOOLS - Message Class for ID Mapping Tools

• Message number: 021

• Message text: Number of mapping groups passed to key mapping framework: &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_IDM_TOOLS021 - Number of mapping groups passed to key mapping framework: &1 ?

  The SAP error message MDG_IDM_TOOLS021 indicates that there is an issue with the number of mapping groups being passed to the key mapping framework in the Master Data Governance (MDG) environment. This error typically arises during the data mapping or data transfer processes, particularly when dealing with key mapping for master data objects.
  Cause:
  The error message suggests that the number of mapping groups provided exceeds the expected or allowed limit. This can occur due to several reasons:
  
  Configuration Issues: The mapping groups may not be properly configured in the system.
  Data Volume: There may be an excessive number of mapping groups being processed at once, which the system cannot handle.
  Custom Development: If there are custom developments or enhancements in the key mapping framework, they may not be correctly implemented, leading to this error.
  System Limitations: The system may have inherent limitations on the number of mapping groups that can be processed simultaneously.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Configuration:
  
  Review the configuration settings for the key mapping framework in your MDG system. Ensure that the mapping groups are correctly defined and that there are no discrepancies.
  
  
  
  Reduce Mapping Groups:
  
  If possible, try to reduce the number of mapping groups being processed in a single transaction. This may involve breaking down the data transfer or mapping process into smaller batches.
  
  
  
  Review Custom Code:
  
  If there are any custom developments related to the key mapping framework, review the code to ensure it adheres to best practices and does not exceed system limits.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for MDG and the key mapping framework to understand any limitations or guidelines regarding mapping groups.
  
  
  
  System Performance:
  
  Check the system performance and resources. If the system is under heavy load, it may not be able to process the required number of mapping groups efficiently.
  
  
  
  SAP Notes:
  
  Search for relevant SAP Notes that may address this specific error. SAP frequently releases updates and patches that may resolve known issues.
  
  
  
  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, including the context in which it occurs.
  
  
  
  Related Information:
  
  MDG (Master Data Governance): A solution that helps organizations manage their master data across various domains.
  Key Mapping Framework: A component in MDG that facilitates the mapping of keys between different systems or data sources.
  SAP Notes and Knowledge Base Articles: These resources can provide additional insights and solutions for specific error messages and issues encountered in SAP systems.
  
  By following these steps, you should be able to identify the root cause of the error and implement a suitable solution.