How To Fix SHDB_PFW506 - Ticket Consistency: Enqueue Lock for TaskId &1 lost

SAP Error Message - Details

• Message type: E = Error

• Message class: SHDB_PFW -

• Message number: 506

• Message text: Ticket Consistency: Enqueue Lock for TaskId &1 lost

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SHDB_PFW506 - Ticket Consistency: Enqueue Lock for TaskId &1 lost ?

  The SAP error message SHDB_PFW506 indicates that there is an issue with the consistency of a ticket in the SAP system, specifically related to an enqueue lock for a task ID that has been lost. This typically occurs in the context of SAP's batch input processing or when using transaction recording (SHDB).
  Cause:
  The error can occur due to several reasons:
  
  Session Timeout: The session holding the enqueue lock may have timed out or been terminated unexpectedly.
  Concurrency Issues: Another process or user may have modified or deleted the task while it was being processed, leading to a loss of the lock.
  System Performance: High system load or performance issues can lead to delays in processing, causing the lock to be released before the task is completed.
  Network Issues: Network interruptions can also lead to the loss of the enqueue lock.
  
  Solution:
  To resolve the SHDB_PFW506 error, you can try the following steps:
  
  Retry the Operation: Sometimes, simply retrying the operation can resolve transient issues.
  Check for Active Sessions: Use transaction SM12 to check for any active locks related to the task ID. If you find any locks that are no longer needed, you can delete them.
  Review System Logs: Check the system logs (transaction SM21) for any related errors or warnings that might provide more context about the issue.
  Increase Timeout Settings: If session timeouts are a frequent issue, consider increasing the timeout settings in the system profile.
  Monitor System Performance: Use transaction ST03 or ST04 to monitor system performance and identify any bottlenecks that may be causing delays.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  Transaction SHDB: This transaction is used for recording and playing back batch input sessions in SAP.
  Enqueue Locks: Enqueue locks are used in SAP to prevent concurrent access to data that could lead to inconsistencies.
  Batch Input Processing: This is a method in SAP for automating data entry by recording user actions and replaying them.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.