How To Fix /SCWM/HUGENERAL008 - Exclusive access to HU no longer possible after partial lock

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/HUGENERAL -

• Message number: 008

• Message text: Exclusive access to HU no longer possible after partial lock

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/HUGENERAL008 - Exclusive access to HU no longer possible after partial lock ?

  The SAP error message /SCWM/HUGENERAL008 indicates that exclusive access to a Handling Unit (HU) is no longer possible due to a partial lock. This typically occurs in the context of warehouse management processes where multiple transactions or processes are trying to access the same Handling Unit simultaneously.
  Cause:
  
  Concurrent Access: The error usually arises when one transaction has locked the Handling Unit for processing, and another transaction attempts to access it while it is still locked.
  Partial Lock: A partial lock can occur if a transaction is interrupted or if there are multiple processes trying to access different aspects of the same HU.
  System Configuration: Sometimes, system settings or configurations can lead to unexpected locking behavior.
  
  Solution:
  
  Check Lock Entries: Use transaction code SM12 to check for lock entries related to the Handling Unit. Identify the user or process that holds the lock and determine if it can be released.
  Wait and Retry: If the lock is held by a legitimate process, wait for that process to complete and then retry your operation.
  Release Locks: If you find that a lock is no longer needed (e.g., due to a failed transaction), you can manually delete the lock entry in SM12, but be cautious as this can lead to data inconsistencies if not handled properly.
  Review Processes: Analyze the processes that are accessing the HU to ensure that they are not conflicting. This may involve reviewing custom code or workflows that interact with the HU.
  System Configuration: If this issue occurs frequently, consider reviewing the system configuration and settings related to handling units and locking mechanisms.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (to view and manage lock entries), SM21 (to check system logs), and SLG1 (to check application logs).
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide patches related to this error.
  Documentation: Review SAP documentation on Handling Units and warehouse management processes to understand how locks are managed and best practices for avoiding conflicts.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.