How To Fix /SCF/CL_MESSAGES_ASN420 - Delete the handling unit before deleting the line

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCF/CL_MESSAGES_ASN -

• Message number: 420

• Message text: Delete the handling unit before deleting the line

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCF/CL_MESSAGES_ASN420 - Delete the handling unit before deleting the line ?

  The SAP error message /SCF/CL_MESSAGES_ASN420 indicates that you are trying to delete a line item in a document (such as a delivery or an inbound/outbound shipment) that is associated with a handling unit (HU) that still exists in the system. The handling unit must be deleted before you can delete the line item.
  Cause:
  
  Existing Handling Unit: The line item you are trying to delete is linked to a handling unit that has not been deleted or is still active in the system.
  Data Integrity: SAP enforces data integrity rules to ensure that all related objects (like handling units) are properly managed before allowing deletions.
  
  Solution:
  To resolve this error, you need to follow these steps:
  
  
  Identify the Handling Unit: Determine which handling unit is associated with the line item you are trying to delete. You can usually find this information in the document details or by checking the handling unit management screen.
  
  
  Delete the Handling Unit:
  
  Navigate to the handling unit management transaction (e.g., HU02 for handling unit display or HU03 for handling unit change).
  Locate the handling unit that is linked to the line item.
  Delete the handling unit. Ensure that it is not being used in any other processes or documents.
  
  
  
  Retry Deleting the Line Item: Once the handling unit has been successfully deleted, you can attempt to delete the line item again.
  
  
  Related Information:
  
  Handling Units: In SAP, handling units are used to manage packaging and logistics processes. They can represent physical items like pallets, boxes, or containers.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  HU02 - Display Handling Unit
  HU03 - Change Handling Unit
  VL02N - Change Outbound Delivery
  VL03N - Display Outbound Delivery
  
  
  Documentation: Refer to SAP Help documentation for more details on handling units and their management.
  User Permissions: Ensure you have the necessary permissions to delete handling units and line items in the system.
  
  If you continue to experience issues after following these steps, it may be helpful to consult with your SAP support team or refer to SAP Notes for any specific patches or updates related to this error message.