How To Fix VR657 - You are already processing table & in another session

SAP Error Message - Details

• Message type: E = Error

• Message class: VR - Output for SD Reporting

• Message number: 657

• Message text: You are already processing table & in another session

What causes this issue?

You are already processing Table &V1& which you requested for
processing in another session.

System Response

The table is currently blocked for all other processing.

How to fix this error?

Continue processing the table in the session in which you first called
it up for processing.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message VR657 - You are already processing table & in another session ?

  SAP Error Message:
  
  VR657 - You are already processing table & in another session
  
  Cause:
  This error occurs when you try to process or modify a table in SAP that is currently being processed or locked in another session or transaction. SAP uses table locks to prevent data inconsistencies and ensure data integrity. If a table is locked by one session, another session cannot perform operations on it simultaneously.
  Common scenarios include:  
  
  You have the same table open in multiple SAP GUI sessions or windows.  
  Another user or background job is currently processing or updating the same table.  
  A previous transaction did not release the lock properly due to an error or incomplete process.
  
  
  Solution:
  
  
  Check for Active Locks:
  
  Use transaction SM12 (Lock Entries) to check if the table is locked.
  Enter the table name or user name to find existing locks.
  
  
  
  Release Locks:
  
  If the lock is from your own session and you are sure it is safe, you can delete the lock entry in SM12.
  If the lock belongs to another user or process, coordinate with them to complete or terminate the process.
  
  
  
  Close Other Sessions:
  
  Close any other SAP GUI sessions or windows where the table might be open or being processed.
  
  
  
  Wait and Retry:
  
  Sometimes locks are temporary (e.g., during batch jobs). Wait for the process to complete and try again.
  
  
  
  Check for Background Jobs:
  
  Use transaction SM37 to check if any background jobs are running that might be locking the table.
  
  
  
  System Administrator Help:
  
  If locks persist and cannot be released, contact your SAP Basis or system administrator to investigate and possibly terminate the locking process.
  
  
  
  
  Related Information:
  
  Table Locks in SAP: SAP uses enqueue locks to prevent simultaneous conflicting changes to the same data. Locks are managed by the enqueue server.
  Transaction SM12: Used to monitor and manage lock entries.
  Transaction SM37: Used to monitor background jobs that might be locking tables.
  Enqueue Server: The SAP component responsible for managing locks.
  Best Practice: Avoid working on the same table in multiple sessions simultaneously to prevent such conflicts.
  
  
  Summary:
  
  The VR657 error indicates a lock conflict on a table being processed in another session. Check and release locks via SM12, close other sessions, and coordinate with users or administrators to resolve the issue.