How To Fix HCNUSAC_MSG_NEW798 - Cannot lock Summary Structure &1

SAP Error Message - Details

• Message type: E = Error

• Message class: HCNUSAC_MSG_NEW - Message Class for SASAC Report Management Tool

• Message number: 798

• Message text: Cannot lock Summary Structure &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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message HCNUSAC_MSG_NEW798 - Cannot lock Summary Structure &1 ?

  The SAP error message HCNUSAC_MSG_NEW798 indicating "Cannot lock Summary Structure &1" typically occurs in the context of SAP Human Capital Management (HCM) or related modules when the system is unable to lock a specific summary structure for processing. This can happen for various reasons, including concurrent access issues, system configuration problems, or database locks.
  Causes:
  
  Concurrent Access: Another user or process may be currently accessing or modifying the summary structure, preventing your session from obtaining a lock.
  Database Lock: A database lock may be in place due to a previous transaction that has not been completed or has failed.
  Configuration Issues: There may be issues with the configuration of the summary structure or related settings in the system.
  System Performance: High system load or performance issues may lead to delays in obtaining locks.
  
  Solutions:
  
  Wait and Retry: If the error is due to concurrent access, waiting for a few moments and then retrying the operation may resolve the issue.
  Check for Active Sessions: Use transaction codes like SM12 to check for active locks in the system. If you find locks that are no longer needed, you may be able to delete them (ensure you have the necessary authorizations).
  Review Configuration: Check the configuration of the summary structure in the relevant customizing settings. Ensure that everything is set up correctly.
  System Monitoring: Monitor system performance and check for any background jobs or processes that may be causing delays or locks.
  Contact Support: If the issue persists, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error message.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (to view and manage locks), SM21 (to check system logs), and ST22 (to analyze dumps) for troubleshooting.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may provide additional insights or patches related to this error.
  Documentation: Review SAP documentation related to the specific module you are working with, as it may provide additional context or troubleshooting steps.
  
  By following these steps, you should be able to diagnose and potentially resolve the issue related to the error message HCNUSAC_MSG_NEW798.