/ACCGO/CMN_ERR_HANDL004 - /ACCGO/T_MSG_LOG table cannot be locked

SAP Error Message - Details

• Message type: E = Error

• Message class: /ACCGO/CMN_ERR_HANDL -

• Message number: 004

• Message text: /ACCGO/T_MSG_LOG table cannot be locked

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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AnswerBot

• What is the cause and solution for SAP error message /ACCGO/CMN_ERR_HANDL004 - /ACCGO/T_MSG_LOG table cannot be locked ?

  The SAP error message /ACCGO/CMN_ERR_HANDL004 indicating that the /ACCGO/T_MSG_LOG table cannot be locked typically arises in scenarios where there is a contention for the table due to concurrent processes trying to access or modify it. This can happen in various situations, such as during batch processing, data uploads, or when multiple users are trying to access the same data simultaneously.
  Causes:
  
  Concurrent Access: Multiple sessions or processes are trying to access or modify the /ACCGO/T_MSG_LOG table at the same time, leading to a lock contention.
  Long-Running Transactions: A transaction that takes a long time to complete may hold a lock on the table longer than expected, preventing other transactions from accessing it.
  Database Locking Mechanism: The underlying database may have its own locking mechanisms that can lead to this issue if not managed properly.
  System Performance Issues: High system load or performance issues can exacerbate locking problems.
  
  Solutions:
  
  
  Identify and Terminate Blocking Sessions:
  
  Use transaction codes like SM12 (to view and manage locks) to identify which sessions are holding locks on the /ACCGO/T_MSG_LOG table.
  If necessary, terminate the blocking sessions after ensuring that it is safe to do so.
  
  
  
  Optimize Long-Running Transactions:
  
  Review and optimize any long-running transactions that may be holding locks for extended periods.
  Consider breaking down large transactions into smaller, more manageable ones.
  
  
  
  Implement Retry Logic:
  
  If the error occurs sporadically, consider implementing retry logic in your application to handle temporary lock contention.
  
  
  
  Check for Custom Code:
  
  If there is custom code that interacts with the /ACCGO/T_MSG_LOG table, review it for potential locking issues and optimize it as necessary.
  
  
  
  Database Configuration:
  
  Review the database configuration and locking settings to ensure they are optimized for your workload.
  
  
  
  System Monitoring:
  
  Monitor system performance and locking behavior regularly to identify patterns that may lead to locking issues.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the /ACCGO/T_MSG_LOG table or the specific error message.
  Transaction Codes:
  
  SM12: To view and manage locks.
  SM21: To check system logs for any related errors.
  ST22: To check for dumps that may provide more context on the issue.
  
  
  Performance Tuning: Consider performance tuning for the database and SAP system to reduce contention and improve overall efficiency.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with SAP support or your technical team for further investigation.