How To Fix L3785 - Determination of HUs not supported in inventory

SAP Error Message - Details

• Message type: E = Error

• Message class: L3 -

• Message number: 785

• Message text: Determination of HUs not supported in inventory

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message L3785 - Determination of HUs not supported in inventory ?

  The SAP error message L3785, which states "Determination of HUs not supported in inventory," typically occurs in the context of handling units (HUs) in inventory management processes. This error indicates that the system is unable to determine handling units for a specific inventory operation, which can be due to several reasons.
  Causes:
  
  Configuration Issues: The system may not be properly configured to handle HUs for the specific inventory process you are trying to execute.
  Missing Handling Unit Data: The handling unit data may not be available or correctly maintained in the system for the materials involved.
  Inventory Type: The inventory type or movement type being used may not support handling units.
  Warehouse Management Settings: If you are using Warehouse Management (WM), there may be settings that prevent the determination of HUs.
  Material Master Settings: The material master record may not be set up to use handling units.
  
  Solutions:
  
  Check Configuration: Review the configuration settings for handling units in the SAP system. Ensure that the relevant settings for inventory management and warehouse management are correctly configured to support HUs.
  Verify Handling Unit Data: Ensure that the handling units are correctly created and assigned to the materials in question. You can check this in the handling unit management (HUM) module.
  Review Movement Types: Check if the movement type you are using supports handling units. You may need to use a different movement type that allows for HU determination.
  Material Master Review: Inspect the material master records to ensure that they are set up to use handling units. This includes checking the relevant views and settings.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling units and inventory management processes.
  Testing: If changes are made, conduct tests to ensure that the issue is resolved and that HUs can be determined as expected.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with transaction codes related to handling units (e.g., HUMO, HUMO1) and inventory management (e.g., MMBE, MB1A).
  User Exits and BAdIs: If custom logic is involved, check for any user exits or Business Add-Ins (BAdIs) that may affect HU determination.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a consultant who specializes in SAP logistics and inventory management.