How To Fix DS404 - Lock table is full for program &

SAP Error Message - Details

• Message type: E = Error

• Message class: DS - Messages for Editing Text Elements in ABAP Programs

• Message number: 404

• Message text: Lock table is full for program &

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 DS404 - Lock table is full for program & ?

  The SAP error message DS404, which states "Lock table is full for program &", typically occurs when the lock table in the SAP system has reached its maximum capacity. This can prevent new locks from being created, leading to issues with data consistency and access.
  Cause:
  
  Lock Table Size: The lock table has a predefined size limit, and when this limit is reached, no new locks can be created.
  Long-Running Transactions: If there are long-running transactions that hold locks for an extended period, they can contribute to filling up the lock table.
  High Concurrency: A high number of concurrent users or processes trying to access the same data can lead to an increased number of locks being created.
  Improper Lock Management: Applications or programs that do not release locks properly can lead to an accumulation of locks in the table.
  
  Solution:
  
  
  Increase Lock Table Size:
  
  You can increase the size of the lock table by adjusting the parameter enque/table_size in the SAP profile parameters. This requires a restart of the SAP system.
  To do this, go to transaction RZ10, select the appropriate profile, and add or modify the parameter.
  
  
  
  Monitor and Optimize Transactions:
  
  Identify long-running transactions that may be holding locks and optimize them to complete faster.
  Use transaction SM12 to monitor and manage locks. You can see which users or processes are holding locks and release unnecessary ones.
  
  
  
  Review Application Logic:
  
  Ensure that the application logic is designed to release locks as soon as they are no longer needed.
  Implement proper error handling to ensure that locks are released even in case of failures.
  
  
  
  Regular Maintenance:
  
  Regularly monitor the lock table usage and perform maintenance to ensure that it does not reach its limits.
  Consider implementing a monitoring solution to alert administrators when lock table usage is approaching its limits.
  
  
  
  Consult SAP Notes:
  
  Check for any relevant SAP Notes that may provide additional guidance or patches related to lock management.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: To view and manage locks.
  RZ10: To change profile parameters.
  SM21: To check system logs for any related issues.
  
  
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on lock management and performance tuning.
  
  
  Performance Tuning: Consider engaging with SAP Basis or performance tuning experts if the issue persists, as they can provide insights specific to your system's configuration and usage patterns.
  
  
  By addressing the underlying causes and implementing the suggested solutions, you should be able to resolve the DS404 error and improve the overall performance of your SAP system.