How To Fix VHUAP246 - No HUs have been marked to be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: VHUAP - Messages for Packing Transaction Applications (FGrp VHUDIAL)

• Message number: 246

• Message text: No HUs have been marked to be changed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message VHUAP246 - No HUs have been marked to be changed ?

  SAP Error Message:
  
  VHUAP246 - No HUs have been marked to be changed
  
  Cause:
  This error occurs in the Handling Unit (HU) management process when you attempt to perform a change operation on Handling Units (HUs), but no HUs have been selected or marked for the change. Essentially, the system expects at least one HU to be flagged for modification, but none are marked.
  Typical scenarios include:
  
  Trying to change HU data (e.g., packing, unpacking, or updating HU attributes) without selecting any HU.
  Executing a process step that requires HU selection, but the user skipped marking the HUs.
  A user interface or process step where the selection checkbox or indicator for HUs was not set.
  
  
  Solution:
  
  
  Mark the HUs to be changed:
  
  In the HU management screen (e.g., in transaction HUMO, or during packing/unpacking processes), ensure that you explicitly select or mark the Handling Units you want to change.
  Usually, this involves ticking a checkbox next to the HU or using a "Select" or "Mark" function.
  
  
  
  Check the process flow:
  
  Verify that you are following the correct steps in the HU change process.
  If you are using a custom program or enhancement, ensure that the logic to mark HUs is correctly implemented.
  
  
  
  User training:
  
  Make sure users understand that they must select the HUs before attempting to change them.
  
  
  
  Technical check (if applicable):
  
  If the error occurs unexpectedly, check for any user-exits, BAdIs, or custom code that might be clearing the HU selection.
  Debug the process to see why no HUs are marked at the point of change.
  
  
  
  
  Related Information:
  
  Transactions involved: HUMO (Handling Unit Management), VL02N (Change Outbound Delivery), LT03 (Create Transfer Order), or other packing/unpacking transactions.
  SAP Modules: Logistics Execution (LE), Warehouse Management (WM), Extended Warehouse Management (EWM).
  SAP Notes: Check SAP Service Marketplace for notes related to VHUAP246 if the problem persists or occurs in a standard process.
  Handling Unit Management: Proper marking of HUs is essential for operations like packing, unpacking, splitting, or merging HUs.
  
  
  Summary:
  The error VHUAP246 means you tried to change Handling Units without selecting any. To fix it, simply mark/select the HUs you want to change before proceeding. If the problem persists, review the process steps and any customizations affecting HU selection.