How To Fix W_CB456 - Only one condition contract can be processed in a session.

SAP Error Message - Details

• Message type: E = Error

• Message class: W_CB -

• Message number: 456

• Message text: Only one condition contract can be processed in a session.

Self-Explanatory Message

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• What is the cause and solution for SAP error message W_CB456 - Only one condition contract can be processed in a session. ?

  SAP Error Message:
  
  W_CB456: Only one condition contract can be processed in a session.
  
  Cause:
  This warning message occurs when you try to process or create more than one condition contract within the same session or transaction. SAP condition contracts (used in pricing, rebates, or incentive agreements) are designed to be processed one at a time per session to avoid inconsistencies or data conflicts.
  Typically, this happens if you:
  
  Attempt to create or edit multiple condition contracts simultaneously in the same session.
  Try to save or process a new condition contract while another one is still open or being processed.
  Use batch or mass processing incorrectly, causing multiple contracts to be handled in one session.
  
  
  Explanation:
  Condition contracts are special documents in SAP used for managing pricing agreements, rebates, or incentives. The system restricts processing to one contract per session to maintain data integrity and avoid conflicts in condition records.
  
  Solution:
  
  Process one condition contract at a time: Close or complete the current condition contract before starting or processing another one.
  Use separate sessions: If you need to work on multiple contracts simultaneously, open multiple SAP sessions (e.g., multiple SAP GUI windows) and process one contract per session.
  Check custom programs or batch jobs: If this error occurs during automated processing, review the logic to ensure that only one contract is processed per session or transaction.
  Save and exit: Make sure to save and exit the current contract processing screen before starting a new one.
  
  
  Related Information:
  
  Transaction codes: Condition contracts are often processed in transactions like VB(6) (e.g., VB61 - Create Condition Contract, VB62 - Change Condition Contract).
  SAP Notes: Check SAP Notes related to condition contract processing for any patches or updates.
  User training: Educate users on the importance of processing one contract at a time to avoid this warning.
  System behavior: This is a warning (W message), so it may not stop processing but indicates a potential issue that should be corrected.
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Cause
  Attempting to process more than one condition contract in the same SAP session.
  
  
  Solution
  Process only one contract per session; use multiple sessions if needed; save and exit current contract before starting another.
  
  
  Related Info
  Transactions VB61, VB62; SAP Notes on condition contracts; user training on session handling.
  
  
  
  
  If you continue to face issues, consider checking the exact scenario or custom developments that might be causing multiple contracts to be processed simultaneously.