How To Fix SAC_TOOLS033 - Rejected lock object is &1. Conflict with user &2 detected

SAP Error Message - Details

• Message type: E = Error

• Message class: SAC_TOOLS - Message Class for ABAP Channels tools

• Message number: 033

• Message text: Rejected lock object is &1. Conflict with user &2 detected

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SAC_TOOLS033 - Rejected lock object is &1. Conflict with user &2 detected ?

  The SAP error message SAC_TOOLS033 indicates that there is a conflict with a lock object in the system. This typically occurs when multiple users or processes are trying to access or modify the same data simultaneously, leading to a situation where one user's request is rejected due to an existing lock held by another user.
  Cause:
  
  Lock Object Conflict: The error arises when a user attempts to access a lock object that is already locked by another user. This can happen during data updates, transactions, or when accessing certain resources that require exclusive access.
  Long-running Transactions: If a transaction takes too long to complete, it can hold a lock for an extended period, causing other users to encounter this error.
  System Configuration: Sometimes, the configuration of the lock management in the SAP system may lead to conflicts, especially if there are custom developments or modifications.
  
  Solution:
  
  Identify the Lock: Use transaction codes like SM12 (for lock entries) to identify which user is holding the lock on the object. You can check the lock entries and see if the lock can be released.
  Release the Lock: If you have the necessary authorizations, you can manually delete the lock entry from SM12. However, be cautious when doing this, as it may lead to data inconsistencies if the other user is in the middle of a transaction.
  Coordinate with Users: If possible, communicate with the user holding the lock to determine if they can complete their transaction or release the lock.
  Optimize Transactions: Review and optimize long-running transactions to minimize the time locks are held. This can involve improving performance or breaking down large transactions into smaller, more manageable ones.
  Check for Custom Code: If the issue persists, review any custom code or enhancements that may be causing excessive locking behavior.
  
  Related Information:
  
  Lock Management: Understanding how SAP handles locks can help in troubleshooting. SAP uses a locking mechanism to ensure data integrity during concurrent access.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (lock entries), SM21 (system log), and ST22 (dump analysis) for further investigation.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to lock objects and conflicts. SAP Notes can provide patches or configuration changes that may resolve the issue.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.