How To Fix ACM_UI079 - Log root entry (hash =&1) cannot be read

SAP Error Message - Details

• Message type: E = Error

• Message class: ACM_UI - Message-Class for all ACM-UIs

• Message number: 079

• Message text: Log root entry (hash =&1) cannot be read

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ACM_UI079 - Log root entry (hash =&1) cannot be read ?

  The SAP error message ACM_UI079, which states "Log root entry (hash =&1) cannot be read," typically occurs in the context of the Application Change Management (ACM) or related areas in SAP systems. This error indicates that the system is unable to access or read a specific log entry identified by the hash value provided in the error message.
  Causes:
  
  Corrupted Log Entry: The log entry associated with the specified hash may be corrupted or missing.
  Database Issues: There could be underlying database issues, such as inconsistencies or corruption in the database tables that store log entries.
  Authorization Issues: The user may not have the necessary authorizations to access the log entry.
  System Configuration: Misconfiguration in the system settings related to logging or change management could lead to this error.
  Transport Issues: If the error occurs during a transport process, it may indicate that the transport logs are not accessible or have been deleted.
  
  Solutions:
  
  Check Log Entry: Verify if the log entry with the specified hash exists in the database. You may need to use transaction codes like SLG1 (Application Log) to check for logs.
  Database Consistency Check: Perform a database consistency check to identify and rectify any inconsistencies. This may involve using tools like DBACOCKPIT or transaction codes like DB02.
  Authorization Check: Ensure that the user encountering the error has the necessary authorizations to access the log entries. You may need to review the user's roles and authorizations.
  Recreate Log Entry: If the log entry is indeed missing or corrupted, you may need to recreate it or restore it from a backup if available.
  System Configuration Review: Review the system configuration related to logging and change management to ensure everything is set up correctly.
  Contact SAP Support: If the issue persists, consider reaching out to SAP Support for further assistance, especially if it involves deeper system or database issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SLG1 (Application Log), SLG2 (Display Application Log), and SLG3 (Delete Application Log).
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  System Logs: Review system logs (SM21) for any related errors or warnings that could provide more context about the issue.
  Backup and Recovery: Ensure that you have a backup and recovery plan in place for your SAP system to mitigate data loss in case of corruption.
  
  By following these steps, you should be able to diagnose and resolve the ACM_UI079 error in your SAP system.