How To Fix /BDL/TASKMANAGER066 - Old transaction SDCC could not be locked

SAP Error Message - Details

• Message type: E = Error

• Message class: /BDL/TASKMANAGER -

• Message number: 066

• Message text: Old transaction SDCC could not be locked

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /BDL/TASKMANAGER066 - Old transaction SDCC could not be locked ?

  The SAP error message /BDL/TASKMANAGER066 Old transaction SDCC could not be locked typically indicates that there is an issue with the locking mechanism in the SAP system, specifically related to the SDCC (SAP Data Consistency Check) transaction. This error can occur when multiple users or processes are trying to access or modify the same transaction or data simultaneously, leading to a conflict.
  Causes:
  
  Concurrent Access: Multiple users or processes are trying to access the SDCC transaction at the same time, causing a lock conflict.
  Stale Locks: A previous session may not have released its lock on the transaction, possibly due to an unexpected termination or crash.
  System Performance Issues: High load on the system can lead to delays in lock management, causing timeouts and lock conflicts.
  Configuration Issues: Incorrect configuration of the locking mechanism or transaction settings in the SAP system.
  
  Solutions:
  
  
  Check Active Sessions: Use transaction SM12 to check for active locks. You can identify the user or process holding the lock and decide whether to release it.
  
  If you find a stale lock, you can delete it if you have the necessary authorizations.
  
  
  
  Wait and Retry: If the lock is held by another user or process, you may need to wait for that session to complete and then retry the transaction.
  
  
  System Monitoring: Monitor system performance and user activity to identify any patterns that may lead to lock conflicts. This can help in planning for load balancing or scheduling tasks during off-peak hours.
  
  
  Transaction Management: Ensure that transactions are being properly managed and that users are not leaving sessions open unnecessarily.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide patches or updates that could resolve underlying issues.
  
  
  System Restart: In extreme cases, if the locking issue persists and cannot be resolved, a system restart may be necessary to clear all locks.
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: Display and manage locks.
  SM21: Check system logs for any related errors or warnings.
  ST22: Analyze dumps that may provide insight into the issue.
  
  
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on transaction locking and management.
  
  
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  
  If the problem persists after trying the above solutions, it may be advisable to contact SAP support for further assistance.