How To Fix MDG_SF029 - Multi processing of entity type &1 by &2

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_SF - MDG: Sample Model SFlight

• Message number: 029

• Message text: Multi processing of entity type &1 by &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_SF029 - Multi processing of entity type &1 by &2 ?

  The SAP error message MDG_SF029, which states "Multi processing of entity type &1 by &2," typically occurs in the context of SAP Master Data Governance (MDG) when there is an attempt to process the same entity type concurrently by multiple processes or users. This can lead to data inconsistencies or conflicts, which is why SAP restricts such operations.
  Cause:
  
  Concurrent Processing: The error is primarily caused by multiple users or processes trying to modify the same entity type simultaneously. This can happen in scenarios where multiple workflows are triggered for the same data object.
  Locking Mechanism: SAP uses a locking mechanism to prevent data inconsistencies. If one process has locked an entity for editing, another process trying to access it will encounter this error.
  Long-running Processes: If a process takes too long to complete, it may lead to other processes being blocked, resulting in this error.
  
  Solution:
  
  Check for Locks: Use transaction code SM12 to check for any existing locks on the entity type. If you find locks that are no longer needed, you can release them.
  Avoid Concurrent Modifications: Ensure that users are not trying to edit the same entity at the same time. Implementing proper user training and communication can help mitigate this issue.
  Review Workflows: Analyze the workflows that are triggering the error. If possible, redesign them to avoid concurrent processing of the same entity.
  Increase Timeout Settings: If the processes are timing out due to long execution times, consider optimizing the processes or increasing the timeout settings.
  Error Handling: Implement error handling in your application logic to gracefully manage situations where concurrent processing is attempted.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (for lock entries), SM21 (for system logs), and SLG1 (for application logs) to diagnose issues.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Performance Tuning: If the error is frequent, consider performance tuning of the underlying processes to reduce the likelihood of concurrent access issues.
  Documentation: Review the official SAP documentation for Master Data Governance to understand best practices for managing entity types and workflows.
  
  By following these steps, you should be able to resolve the MDG_SF029 error and prevent it from occurring in the future.