How To Fix /SCWM/MFS117 - Unable to lock HU &1 during start point processing

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/MFS -

• Message number: 117

• Message text: Unable to lock HU &1 during start point processing

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/MFS117 - Unable to lock HU &1 during start point processing ?

  The SAP error message /SCWM/MFS117 Unable to lock HU &1 during start point processing typically occurs in the context of the SAP Extended Warehouse Management (EWM) system, particularly when dealing with Handling Units (HUs) during the processing of start points in the Material Flow System (MFS).
  Cause:
  This error generally indicates that the system is unable to lock the specified Handling Unit (HU) for processing. The reasons for this could include:
  
  Concurrent Access: Another process or transaction is currently using or locking the HU, preventing your transaction from obtaining the necessary lock.
  System Configuration: There may be configuration issues in the MFS or EWM settings that affect how locks are managed.
  Database Locking Issues: There could be database-level locks that are preventing access to the HU.
  Incomplete Transactions: Previous transactions involving the HU may not have been completed or released properly, leading to a lock.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check for Concurrent Processes: Investigate if there are other transactions or processes that are currently using the HU. You can use transaction codes like SM12 (to check for locks) or SM21 (to check system logs) to identify any active locks.
  
  
  Wait and Retry: If the lock is due to another process, you may need to wait for that process to complete and then retry your operation.
  
  
  Release Locks: If you identify a lock that should not be there (e.g., a transaction that has failed), you may need to manually release the lock using transaction SM12. Be cautious with this approach, as releasing locks can lead to data inconsistencies if not done properly.
  
  
  Check Configuration: Review the configuration settings in the MFS and EWM to ensure that they are set up correctly for handling locks. This may involve checking the settings for the warehouse, storage types, and handling units.
  
  
  Review Logs: Check the application logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to MFS and EWM for any known issues or patches that may address this error.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (to view and manage locks), SM21 (to view system logs), and SLG1 (to view application logs).
  SAP Notes: Search for SAP Notes related to /SCWM/MFS117 for any specific patches or updates that may address this error.
  EWM Documentation: Review the SAP EWM documentation for best practices on handling HUs and managing locks within the system.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the error message /SCWM/MFS117 Unable to lock HU &1 during start point processing.