How To Fix WRF_PRC_BAS101 - System error locking purchase order &1

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_PRC_BAS - General Purchasing, Seasonal Procurement Messages

• Message number: 101

• Message text: System error locking purchase order &1

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WRF_PRC_BAS101 - System error locking purchase order &1 ?

  The SAP error message:
  WRF_PRC_BAS101: System error locking purchase order &1
  typically occurs when there is a problem with the system trying to lock a purchase order (PO) record during processing. This locking mechanism is essential to prevent data inconsistencies when multiple users or processes attempt to access or modify the same PO simultaneously.
  
  Cause
  
  Lock contention or deadlock: Another user or process currently holds a lock on the purchase order, preventing your transaction from obtaining the lock.
  Lock table overflow or inconsistency: The SAP enqueue (lock) table might be full or corrupted.
  System or network issues: Temporary system errors or network interruptions can cause lock requests to fail.
  Custom code or enhancements: User exits, BADIs, or custom programs that improperly handle locks.
  Database issues: Problems at the database level affecting lock management.
  
  
  Solution
  
  
  Check who holds the lock:
  
  Use transaction SM12 to display lock entries.
  Enter the purchase order number and check if there is an existing lock.
  Identify the user or process holding the lock.
  
  
  
  Release the lock if appropriate:
  
  If the lock is obsolete (e.g., a user session crashed), you can delete the lock entry in SM12.
  Be cautious: only delete locks if you are sure it will not cause data inconsistencies.
  
  
  
  Retry the transaction:
  
  After the lock is released, try processing the PO again.
  
  
  
  Check for long-running or stuck processes:
  
  Investigate background jobs or batch processes that might be locking the PO.
  Use transaction SM37 to check job status.
  
  
  
  Review custom code:
  
  If the error occurs during a custom enhancement or user exit, review the code for proper lock handling.
  Ensure locks are requested and released correctly.
  
  
  
  Check system logs and dumps:
  
  Use SM21 (system log) and ST22 (short dumps) to find related errors or system issues.
  
  
  
  System health check:
  
  Verify enqueue server status (transaction SMENQ).
  Restart enqueue server if necessary (basis team involvement).
  
  
  
  SAP Notes and Support:
  
  Search SAP Support Portal for notes related to WRF_PRC_BAS101.
  Apply any relevant patches or corrections.
  
  
  
  
  Related Information
  
  Transaction SM12: Display and manage lock entries.
  Transaction SMENQ: Monitor enqueue server.
  Transaction SM21: System log for errors.
  Transaction ST22: ABAP runtime error analysis.
  SAP Note Search: Use keywords like "WRF_PRC_BAS101" or "purchase order lock error".
  Lock Mechanism in SAP: SAP uses enqueue (lock) objects to synchronize access to business objects like purchase orders.
  
  
  Summary
  
  
  
  Aspect
  Details
  
  
  
  
  Error
  WRF_PRC_BAS101: System error locking purchase order &1
  
  
  Cause
  Lock contention, lock table issues, system/network problems, custom code issues
  
  
  Solution
  Check and release locks in SM12, review custom code, check system logs, restart enqueue server if needed
  
  
  Tools
  SM12, SMENQ, SM21, ST22, SM37
  
  
  SAP Notes
  Check SAP Support Portal for relevant notes and patches
  
  
  
  
  If you provide the exact context or transaction where this error occurs, I can help you with more specific troubleshooting steps.