How To Fix SHDB_PFW708 - Lock error: Application &1 already locks &2 &3

SAP Error Message - Details

• Message type: E = Error

• Message class: SHDB_PFW -

• Message number: 708

• Message text: Lock error: Application &1 already locks &2 &3

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SHDB_PFW708 - Lock error: Application &1 already locks &2 &3 ?

  The SAP error message SHDB_PFW708 indicates a lock error where an application is already locking a particular resource. This typically occurs in the context of batch input sessions or when using transaction recording in SAP. The error message format suggests that the application identified by &1 is already locking the resource identified by &2 and &3.
  Cause:
  
  Concurrent Access: The most common cause of this error is that another session or user is already accessing the same resource (e.g., a transaction, a record, or a table) that your batch input session is trying to access.
  Locking Mechanism: SAP uses a locking mechanism to prevent data inconsistencies. If one process is modifying data, other processes trying to access that data will be blocked until the lock is released.
  Long-running Transactions: If a transaction takes too long to complete, it may hold a lock longer than expected, causing subsequent attempts to access the same resource to fail.
  
  Solution:
  
  Identify the Lock: Use transaction code SM12 to check for existing locks. You can filter by user or object to find out which session is holding the lock.
  Release the Lock: If you find that a lock is held by a session that is no longer active or is stuck, you can manually delete the lock entry from SM12. However, be cautious when doing this, as it may lead to data inconsistencies if the other session is still processing.
  Retry the Operation: After resolving the lock, you can retry the operation that caused the error.
  Optimize Transactions: If this error occurs frequently, consider optimizing the transactions to reduce the time they hold locks. This may involve breaking down large transactions into smaller ones or improving performance.
  Check for Background Jobs: Sometimes, background jobs may hold locks. Check transaction SM37 to see if any background jobs are running that might be causing the lock.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: Display and manage lock entries.
  SM37: Monitor background jobs.
  SM21: Check system logs for any related errors or warnings.
  
  
  SAP Notes: Check SAP Notes for any specific issues related to the error message SHDB_PFW708, as there may be patches or updates that address known issues.
  Documentation: Review SAP documentation on locking mechanisms and batch input processing for a deeper understanding of how locks work in SAP.
  
  By following these steps, you should be able to diagnose and resolve the SHDB_PFW708 lock error effectively.