How To Fix L3799 - Difference quantity not possible if you are moving a compete HU

SAP Error Message - Details

• Message type: E = Error

• Message class: L3 -

• Message number: 799

• Message text: Difference quantity not possible if you are moving a compete HU

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message L3799 - Difference quantity not possible if you are moving a compete HU ?

  The SAP error message L3799, which states "Difference quantity not possible if you are moving a complete HU," typically occurs in the context of handling units (HUs) in warehouse management processes. This error indicates that there is an attempt to process a difference quantity for a handling unit that is being moved in its entirety, which is not allowed.
  Cause:
  
  Complete Handling Unit Movement: The error arises when you try to perform a quantity adjustment (difference quantity) on a handling unit that is being moved as a whole. In SAP, when a complete handling unit is moved, the system expects the entire quantity to be processed without any discrepancies.
  Incorrect Movement Type: The movement type used may not support partial quantities for handling units.
  System Configuration: There may be configuration settings in the warehouse management module that restrict the processing of difference quantities for complete handling units.
  
  Solution:
  
  Check Movement Type: Ensure that the movement type you are using allows for the processing of difference quantities. If you need to adjust quantities, consider using a movement type that supports partial quantities.
  Process Complete Handling Unit: If you are moving a complete handling unit, ensure that you are not trying to adjust the quantity. The entire handling unit should be processed as is.
  Review Configuration: Check the configuration settings in the Warehouse Management (WM) module to ensure that they align with your business processes. You may need to consult with your SAP configuration team to adjust settings if necessary.
  Use Alternative Processes: If you need to adjust quantities, consider using alternative processes such as splitting the handling unit or creating a new handling unit for the adjusted quantity.
  
  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.
  Movement Types: Movement types in SAP define the type of stock movement (e.g., goods receipt, goods issue, transfer posting) and can have specific rules regarding how quantities are handled.
  Warehouse Management (WM): This module in SAP is designed to manage warehouse operations, including inventory management, stock movements, and handling units.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult SAP support or your internal SAP team for further assistance.