How To Fix 5Y546 - Data in the LU cluster already frozen

SAP Error Message - Details

• Message type: E = Error

• Message class: 5Y - Error messages for info-type Italian module pools

• Message number: 546

• Message text: Data in the LU cluster already frozen

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 5Y546 - Data in the LU cluster already frozen ?

  The SAP error message 5Y546: Data in the LU cluster already frozen typically occurs in the context of SAP's Logistics Execution (LE) or Warehouse Management (WM) modules. This error indicates that the data in the Logical Unit (LU) cluster has been locked or frozen, preventing further changes or updates to that data.
  Cause:
  
  Data Locking: The LU cluster data is locked because it is being processed or has been processed in a way that prevents further modifications. This can happen during certain transactions or processes where data integrity is critical.
  Transaction State: The error may occur if a transaction is in a state that does not allow changes, such as during a posting or when a document is being processed.
  System Configuration: Certain configurations or settings in the system may lead to data being frozen after specific operations.
  
  Solution:
  
  Check Transaction Status: Verify if the transaction that is trying to modify the LU cluster data is in a valid state. If it is in a processing state, wait until it completes.
  Review Lock Entries: Use transaction code SM12 to check for any lock entries related to the LU cluster. If there are locks that are no longer needed, they can be released.
  Reprocess the Transaction: If the transaction failed or was interrupted, try to reprocess it after ensuring that no other processes are locking the data.
  Consult Documentation: Review SAP documentation or notes related to the specific transaction or process you are working with to understand any specific requirements or restrictions.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They may provide specific notes or patches that address the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (for lock entries), SM21 (for system logs), and SLG1 (for application logs) to help diagnose the issue.
  SAP Notes: Search for SAP Notes related to error message 5Y546 in the SAP Support Portal. There may be specific notes that address this error with detailed solutions or workarounds.
  System Logs: Check system logs for any additional error messages or warnings that may provide context for the issue.
  
  By following these steps, you should be able to diagnose and resolve the error related to the LU cluster being frozen.