How To Fix L9003 - Local lock table is full

SAP Error Message - Details

• Message type: E = Error

• Message class: L9 - Function Modules

• Message number: 003

• Message text: Local lock table is full

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message L9003 - Local lock table is full ?

  The SAP error message L9003: Local lock table is full typically occurs when the local lock table used by the SAP system to manage locks on objects (like database records) reaches its maximum capacity. This can lead to issues with data consistency and can prevent users from accessing or modifying certain records.
  Causes:
  
  High Concurrency: A large number of users or processes trying to access or modify the same data simultaneously can fill up the lock table quickly.
  Long-Running Transactions: Transactions that hold locks for an extended period can contribute to the lock table being filled.
  Insufficient Lock Table Size: The configuration of the lock table may not be adequate for the volume of transactions being processed.
  Lock Leaks: If locks are not released properly due to programming errors or system issues, they can accumulate and fill the lock table.
  
  Solutions:
  
  
  Increase Lock Table Size:
  
  You can increase the size of the lock table by adjusting the parameter enque/table_size in the SAP profile. This requires a restart of the SAP instance to take effect.
  Example: You can set it to a higher value based on your system's needs.
  
  
  
  Monitor and Optimize Transactions:
  
  Review long-running transactions and optimize them to ensure they complete more quickly and release locks.
  Use transaction codes like SM12 (to view and manage locks) and SM21 (to check system logs) to identify problematic transactions.
  
  
  
  Check for Lock Leaks:
  
  Investigate if there are any programming errors or issues in custom code that may be causing locks not to be released.
  Ensure that all locks are released properly in your ABAP programs.
  
  
  
  Regular Maintenance:
  
  Regularly monitor the lock table usage and adjust the size as necessary based on usage patterns.
  Implement best practices for transaction management to minimize lock contention.
  
  
  
  System Configuration:
  
  Review the overall system configuration and performance. Sometimes, performance issues can lead to increased lock contention.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: Display and manage locks.
  SM21: System log for monitoring.
  ST22: Dump analysis to check for any ABAP runtime errors that might be related.
  
  
  
  SAP Notes: Check SAP Notes related to lock management and performance tuning for specific recommendations and updates.
  
  
  Documentation: Refer to SAP documentation for detailed information on lock management and configuration settings.
  
  
  By addressing the underlying causes and implementing the suggested solutions, you can mitigate the occurrence of the L9003 error and improve the overall performance of your SAP system.