How To Fix VHUMI020 - HU &1 is packed in HU &2, processing is only possible for highest HUs

SAP Error Message - Details

• Message type: E = Error

• Message class: VHUMI - Messages for material identification

• Message number: 020

• Message text: HU &1 is packed in HU &2, processing is only possible for highest HUs

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message VHUMI020 - HU &1 is packed in HU &2, processing is only possible for highest HUs ?

  The SAP error message VHUMI020 indicates that there is an issue with handling Handling Units (HUs) in the system. Specifically, the message states that a Handling Unit (HU) is packed within another HU, and processing is only possible for the highest-level HUs. This typically occurs in scenarios where nested HUs are involved, and the system is trying to process a lower-level HU instead of the top-level HU.
  Cause:
  
  Nested Handling Units: The error arises when you attempt to process a Handling Unit that is packed inside another Handling Unit. SAP requires that operations be performed on the highest-level HU to maintain the integrity of the packing structure.
  Incorrect HU Selection: The user may have selected a lower-level HU for processing instead of the top-level HU.
  System Configuration: There may be configuration settings in the SAP system that affect how HUs are managed and processed.
  
  Solution:
  
  Identify the Top-Level HU: Determine the highest-level HU that contains the lower-level HU you are trying to process. You can do this by checking the packing structure in the system.
  Process the Top-Level HU: Instead of processing the lower-level HU, perform the required operations on the top-level HU. This may involve selecting the correct HU in your transaction or process.
  Review Packing Instructions: Ensure that the packing instructions and processes are correctly followed to avoid nesting HUs unnecessarily.
  Check for Errors in Packing: If the packing structure is incorrect, you may need to correct it by unpacking the lower-level HU from the higher-level HU and then re-packing it correctly.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling HUs in your version of SAP.
  
  Related Information:
  
  Handling Units (HUs): HUs are used in SAP to manage physical items in logistics processes. They can represent pallets, boxes, or any other packaging unit.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as HU02 (Change Handling Unit), HU03 (Display Handling Unit), and LT03 (Transfer Order) for managing HUs.
  SAP Notes: Check for any SAP Notes related to Handling Units that may provide additional insights or solutions for specific scenarios.
  Training and Documentation: Consider training sessions or documentation on handling units and packing processes in SAP to better understand the system's requirements and best practices.
  
  By following these steps, you should be able to resolve the VHUMI020 error and effectively manage your Handling Units in SAP.