How To Fix COM_ALTER_IDENT004 - ID type &1 is already being processed by user &2

SAP Error Message - Details

• Message type: E = Error

• Message class: COM_ALTER_IDENT - Messages for Alternative Identifiers

• Message number: 004

• Message text: ID type &1 is already being processed by user &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message COM_ALTER_IDENT004 - ID type &1 is already being processed by user &2 ?

  The SAP error message COM_ALTER_IDENT004 indicates that a specific ID type (denoted as &1) is currently being processed by another user (denoted as &2). This typically occurs in scenarios where multiple users are trying to access or modify the same object or data simultaneously, leading to a lock situation.
  Cause:
  
  Concurrent Access: Another user is already working on the same ID type, which prevents other users from making changes until the first user completes their task.
  Lock Mechanism: SAP uses a locking mechanism to ensure data integrity. When a user accesses a particular object, it gets locked for that user, and others cannot access it until the lock is released.
  Long-running Transactions: If the user holding the lock is taking a long time to complete their transaction, it can lead to delays for others trying to access the same ID type.
  
  Solution:
  
  Wait for Release: The simplest solution is to wait until the user currently processing the ID type completes their task and releases the lock.
  Identify the User: You can use transaction codes like SM12 (to view locks) to identify the user who is holding the lock. This can help you understand the situation better.
  Contact the User: If necessary, you can contact the user holding the lock to see if they can complete their task more quickly or if they can release the lock.
  Terminate the Session: If the user is no longer active or if the session is stuck, a system administrator can terminate the session using transaction SM12. However, this should be done with caution, as it may lead to data inconsistencies.
  Review Processes: If this issue occurs frequently, it may be worth reviewing the processes to see if they can be optimized to reduce contention for the same ID types.
  
  Related Information:
  
  Transaction Codes: 
  
  SM12: To view and manage locks.
  SM21: To check system logs for any related issues.
  SM37: To monitor background jobs that might be causing locks.
  
  
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to this error message.
  Documentation: Review SAP documentation on locking mechanisms and best practices for concurrent processing to minimize such conflicts.
  
  By following these steps, you should be able to resolve the issue related to the COM_ALTER_IDENT004 error message effectively.