How To Fix HM004 - Entry with mixed loading groups &1 and &2 for regulat. &3 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: HM - Messages

• Message number: 004

• Message text: Entry with mixed loading groups &1 and &2 for regulat. &3 already exists

What causes this issue?

You attempted to create a segregation rule for the enterprise-specific
mixed loading groups &V1& and &V2& for dangerous goods regulation &V3&.
This segregation rule already exists. The sequence of the two mixed
loading groups is irrelevant.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message HM004 - Entry with mixed loading groups &1 and &2 for regulat. &3 already exists ?

  The SAP error message HM004 indicates that there is an issue with mixed loading groups in the context of handling materials or products in the system. Specifically, it suggests that there is an attempt to create or process an entry that involves two different loading groups, which is not allowed in the current configuration.
  Cause:
  The error occurs when:
  
  You are trying to create a handling unit (HU) or a delivery that includes items from two different loading groups (e.g., loading group &1 and loading group &2).
  The system has already created an entry for a handling unit or delivery that includes items from one of these loading groups, leading to a conflict.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Loading Groups: Review the loading groups assigned to the materials or products involved. Ensure that they are consistent and that you are not mixing items from different loading groups in the same handling unit or delivery.
  
  
  Adjust Handling Units: If you need to include items from different loading groups, consider creating separate handling units for each loading group. This way, you can avoid the conflict.
  
  
  Review Configuration: If this situation is common in your operations, you may want to review the configuration settings related to loading groups in your SAP system. Ensure that the settings align with your business processes.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for more detailed information on handling units and loading groups. This can provide insights into best practices and configuration options.
  
  
  Contact Support: If the issue persists and you cannot find a resolution, consider reaching out to your SAP support team or consulting with an SAP expert who can provide guidance based on your specific system setup.
  
  
  Related Information:
  
  Handling Units (HUs): In SAP, handling units are used to manage the physical handling of goods. They can represent pallets, boxes, or any other type of packaging.
  Loading Groups: Loading groups are used to categorize materials based on their loading characteristics. This can affect how they are handled in logistics processes.
  SAP Documentation: For more detailed information, you can refer to the SAP Help Portal or specific SAP notes related to handling units and loading groups.
  
  By following these steps, you should be able to resolve the HM004 error and ensure that your handling units and deliveries are processed correctly.