How To Fix >1200 - *** 200 - 299 reserved for locks*************************************

SAP Error Message - Details

• Message type: E = Error

• Message class: >1 - Shockwave SAPGUI message handling

• Message number: 200

• Message text: *** 200 - 299 reserved for locks*************************************

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 >1200 - *** 200 - 299 reserved for locks************************************* ?

  The SAP error message you are encountering, specifically the message with the code >1200 *** 200 - 299 reserved for locks, indicates that there is an issue related to lock management in the SAP system. This error typically arises when the system is unable to acquire a lock for a particular resource because the lock table is full or there are too many locks being held.
  Cause:
  
  Lock Table Full: The lock table in the SAP system has a limited size, and if it becomes full, new lock requests cannot be processed.
  Excessive Locks: There may be too many locks held by users or processes, which can lead to contention and exhaustion of available lock entries.
  Long-Running Transactions: Transactions that hold locks for an extended period can contribute to the lock table being filled.
  Configuration Issues: The configuration settings for the lock table may not be optimized for the current workload.
  
  Solution:
  
  Check Lock Table Size: You can check the current size of the lock table and its usage. This can be done using transaction code SM12 (Display and Delete Locks). If the lock table is full, consider increasing its size.
  Increase Lock Table Size: If the lock table is consistently full, you may need to increase its size. This can be done by adjusting the profile parameters:
  
  enque/table_size: This parameter controls the size of the lock table. You can increase its value in the instance profile and restart the instance for the changes to take effect.
  
  
  Identify and Release Locks: Use transaction SM12 to identify and release unnecessary locks. Be cautious when deleting locks, as this may affect ongoing transactions.
  Optimize Long-Running Transactions: Review and optimize any long-running transactions that may be holding locks for too long. This may involve improving the performance of the transaction or breaking it into smaller parts.
  Monitor Lock Usage: Regularly monitor lock usage and analyze patterns to prevent future occurrences. You can use transaction SM21 (System Log) to check for any related issues.
  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: Display and Delete Locks
  SM21: System Log
  SM37: Job Monitoring (to check for long-running jobs)
  
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on lock management and configuration.
  Performance Tuning: Consider performance tuning of your SAP system to reduce the number of locks and improve overall efficiency.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.