How To Fix /PF1/MSG_LOG_GUI029 - Customer-specific trans. type locking checked

SAP Error Message - Details

• Message type: E = Error

• Message class: /PF1/MSG_LOG_GUI -

• Message number: 029

• Message text: Customer-specific trans. type locking checked

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PF1/MSG_LOG_GUI029 - Customer-specific trans. type locking checked ?

  The SAP error message /PF1/MSG_LOG_GUI029 indicates that there is a locking issue related to a customer-specific transaction type. This typically occurs when a transaction type is being accessed or modified by multiple users or processes simultaneously, leading to a conflict.
  Cause:
  
  Concurrent Access: Multiple users or processes are trying to access or modify the same transaction type at the same time.
  Locking Mechanism: SAP uses a locking mechanism to prevent data inconsistencies. If a transaction type is locked by one user, others will receive this error when they attempt to access it.
  Custom Development: The error may arise from custom developments or enhancements that have not been properly managed or tested for concurrency.
  
  Solution:
  
  Check Lock Entries: Use transaction code SM12 to check for lock entries related to the transaction type. You can identify which user or process is holding the lock and take appropriate action.
  Wait and Retry: If the lock is temporary, waiting for a few moments and then retrying the transaction may resolve the issue.
  Contact the User: If you identify a specific user holding the lock, you may need to contact them to understand why they are accessing the transaction and if they can release it.
  Review Custom Code: If the issue is related to custom developments, review the code to ensure that it handles locking appropriately. Consider implementing proper error handling and retry logic.
  System Configuration: Check the configuration of the transaction type in the system to ensure that it is set up correctly and that there are no conflicting settings.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (for lock entries), SM21 (for system logs), and ST22 (for dumps) to diagnose issues further.
  SAP Notes: Search for SAP Notes related to this error message for any patches or updates that may address the issue.
  Documentation: Review SAP documentation regarding transaction types and locking mechanisms to better understand how they work and how to manage them effectively.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.