How To Fix CMCB_MSG158 - Cannot proceed; records already locked by another user

SAP Error Message - Details

• Message type: E = Error

• Message class: CMCB_MSG - Cash Budgeting Message Class

• Message number: 158

• Message text: Cannot proceed; records already locked by another user

Self-Explanatory Message

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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 CMCB_MSG158 - Cannot proceed; records already locked by another user ?

  The SAP error message CMCB_MSG158 indicates that a user is trying to access or modify records that are currently locked by another user. This is a common issue in systems where multiple users are working with the same data simultaneously, such as in SAP environments.
  Cause:
  
  Record Locking: When a user accesses a record for editing, the system locks that record to prevent other users from making changes simultaneously. This is to ensure data integrity and prevent conflicts.
  Long Transactions: If a user takes a long time to complete their transaction, the record remains locked for an extended period, which can lead to other users encountering this error.
  Session Issues: Sometimes, a user may have an open session that has not been properly closed, leading to lingering locks on records.
  System Configuration: Certain configurations in the SAP system may lead to more aggressive locking mechanisms.
  
  Solution:
  
  Wait and Retry: The simplest solution is to wait for the other user to finish their transaction and release the lock. You can periodically retry the operation.
  Identify the Lock: Use transaction codes like SM12 (Display and Delete Locks) to identify which user has locked the record. You can then contact that user to coordinate access.
  Release the Lock: If you have the necessary permissions, you can manually release the lock using transaction SM12. However, this should be done with caution, as it may lead to data inconsistencies if the other user is still working on the record.
  Optimize Transactions: Encourage users to complete their transactions in a timely manner to minimize the duration of locks.
  Review System Configuration: If this issue occurs frequently, it may be worth reviewing the system's locking configuration and user access patterns to identify potential improvements.
  
  Related Information:
  
  Lock Management: Understanding how SAP handles locks can help users navigate these issues more effectively. SAP uses a locking mechanism to ensure that data integrity is maintained during concurrent access.
  User Training: Providing training to users on how to manage their sessions and transactions can help reduce the frequency of locking issues.
  System Monitoring: Regularly monitor the system for long-running transactions and user sessions that may be causing locks.
  
  If the problem persists or if you encounter this error frequently, it may be beneficial to consult with your SAP Basis team or system administrator for further investigation and potential adjustments to system settings.