How To Fix /SAPSLL/CORE_BASIS103 - Lock server overflow while blocking object &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPSLL/CORE_BASIS -

• Message number: 103

• Message text: Lock server overflow while blocking object &1

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPSLL/CORE_BASIS103 - Lock server overflow while blocking object &1 ?

  The SAP error message /SAPSLL/CORE_BASIS103 Lock server overflow while blocking object &1 typically indicates that the lock server in the SAP system has reached its maximum capacity for managing locks. This can happen when there are too many lock requests being made, or when locks are not being released properly, leading to an overflow situation.
  Causes:
  
  High Lock Demand: A large number of concurrent transactions or processes trying to acquire locks on the same objects can lead to overflow.
  Long-Running Transactions: Transactions that hold locks for an extended period can prevent other transactions from acquiring necessary locks.
  Improper Lock Management: If locks are not being released properly due to programming errors or system issues, it can lead to an accumulation of locks.
  Configuration Issues: The lock server may not be configured to handle the expected load, leading to overflow.
  
  Solutions:
  
  
  Analyze Lock Usage:
  
  Use transaction codes like SM12 (to view and manage locks) and SM21 (to check system logs) to identify which objects are being locked and by which users or processes.
  Check for long-running transactions that may be holding locks unnecessarily.
  
  
  
  Increase Lock Table Size:
  
  If the system is consistently hitting the lock limit, consider increasing the size of the lock table. This can be done by adjusting the profile parameters related to locks, such as enque/table_size.
  
  
  
  Optimize Code:
  
  Review custom code or programs that may be causing excessive locking. Ensure that locks are acquired only when necessary and released promptly after use.
  
  
  
  Monitor and Tune Performance:
  
  Regularly monitor the performance of the system and tune it as necessary. This includes checking for bottlenecks and optimizing database performance.
  
  
  
  Restart the Enqueue Server:
  
  In some cases, restarting the enqueue server can help clear out stale locks and resolve temporary overflow issues.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  
  
  Related Information:
  
  Lock Management: Understanding how SAP handles locks is crucial. Locks are used to ensure data consistency during concurrent access.
  Transaction Codes: Familiarize yourself with transaction codes like SM12, SM21, SM37 (for job monitoring), and SM50 (for process overview) to diagnose and manage locking issues.
  SAP Basis Administration: Knowledge of SAP Basis administration can be beneficial for managing system performance and resolving issues related to locks.
  
  If the problem persists after trying the above solutions, it may be necessary to engage SAP support for further assistance.