How To Fix LF802 - Handling unit &1 is already unloaded

SAP Error Message - Details

• Message type: E = Error

• Message class: LF - Mobile Computing in Warehouse Logistics

• Message number: 802

• Message text: Handling unit &1 is already unloaded

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 LF802 - Handling unit &1 is already unloaded ?

  The SAP error message LF802, which states "Handling unit &1 is already unloaded," typically occurs in the context of warehouse management and logistics when you attempt to perform an operation on a handling unit (HU) that has already been unloaded from a vehicle or storage location.
  Cause:
  The error is triggered when:
  
  You try to unload a handling unit that has already been marked as unloaded in the system.
  There may be a mismatch in the handling unit status due to previous transactions that were not properly completed or recorded.
  The handling unit might have been processed in a different transaction or by another user, leading to its status being updated before your current operation.
  
  Solution:
  To resolve the LF802 error, you can take the following steps:
  
  
  Check Handling Unit Status: 
  
  Use transaction code HU02 or HU03 to check the status of the handling unit. Ensure that it is indeed marked as unloaded.
  
  
  
  Review Transaction History:
  
  Look into the transaction history of the handling unit to see if it has been unloaded in a previous transaction. This can help identify if the error is due to a previous operation.
  
  
  
  Correct the Process:
  
  If the handling unit was unloaded by mistake, you may need to reverse the unloading process or perform the necessary adjustments in the system.
  
  
  
  Consult with Team Members:
  
  If you are working in a team environment, check with colleagues to see if someone else has processed the handling unit.
  
  
  
  System Logs:
  
  Review system logs for any errors or warnings that might provide additional context about the handling unit's status.
  
  
  
  SAP Notes:
  
  Check for any relevant SAP Notes or documentation that might address this specific error. Sometimes, there are known issues or patches that can resolve such problems.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot find a resolution, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Handling Units (HUs): In SAP, handling units are used to manage and track physical items in logistics. They can represent pallets, boxes, or any other packaging unit.
  Warehouse Management (WM): This error is often encountered in the context of SAP's Warehouse Management module, which handles inventory and logistics processes.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as LT03 (Transfer Order), LT12 (Confirm Transfer Order), and HU02 (Display Handling Unit) for managing handling units.
  
  By following these steps, you should be able to identify the cause of the LF802 error and take appropriate action to resolve it.