How To Fix EDOCUMENT629 - Incoming message &1 of type &2 is locked in another process

SAP Error Message - Details

• Message type: E = Error

• Message class: EDOCUMENT - eDocument: Messages

• Message number: 629

• Message text: Incoming message &1 of type &2 is locked in another process

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message EDOCUMENT629 - Incoming message &1 of type &2 is locked in another process ?

  The SAP error message EDOCUMENT629 indicates that an incoming message of a specific type is currently locked by another process. This typically occurs in scenarios where multiple processes or transactions are trying to access or modify the same document or data simultaneously, leading to a locking conflict.
  Cause:
  
  Concurrent Processing: The most common cause is that another transaction or process is already processing the same incoming message. This can happen in environments where multiple users or automated processes are working with the same data.
  Long-Running Transactions: If a transaction takes a long time to complete, it can hold a lock on the data, preventing other processes from accessing it.
  System Configuration: Certain configurations in the SAP system may lead to locking issues, especially if the system is not optimized for concurrent processing.
  
  Solution:
  
  Wait and Retry: Often, the simplest solution is to wait for the other process to complete. Once the lock is released, you can retry processing the incoming message.
  Identify the Locking Process: Use transaction codes like SM12 (to view and manage locks) to identify which user or process is holding the lock. You can then decide whether to wait or take further action.
  Optimize Processes: Review the processes that are causing locks. If certain transactions are taking too long, consider optimizing them to reduce the time they hold locks.
  Adjust Configuration: If locking issues are frequent, it may be necessary to review and adjust system configurations or consider implementing a queuing mechanism to manage concurrent access more effectively.
  Consult SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on best practices for handling incoming messages.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (to view locks), SM21 (to view system logs), and ST22 (to check for dumps) for troubleshooting.
  SAP Support: If the issue persists, consider reaching out to SAP support for assistance, especially if it is affecting business operations.
  Documentation: Review SAP documentation related to the specific module or process you are working with, as there may be additional insights or recommendations.
  
  By following these steps, you should be able to address the EDOCUMENT629 error effectively.