How To Fix QHU018 - Check for handling unit does not allow all types of lot grouping

SAP Error Message - Details

• Message type: E = Error

• Message class: QHU - QM messages for processing inspection lots with HU's

• Message number: 018

• Message text: Check for handling unit does not allow all types of lot grouping

What causes this issue?

You set the 'Handling unit check' indicator and at the same time
selected a type of lot grouping. This is not supported if you use
handling units. Here, only the setting 'One inspection lot per material
document item' has any effect.
Exceptions:
Inspection lot origin 01 - For each order item, batch and storage
location
Inspection lot origin 04 - Early lot opening for order item.

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

System Response

How to fix this error?

Check your entries and correct them if necessary.

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 QHU018 - Check for handling unit does not allow all types of lot grouping ?

  The SAP error message QHU018, which states "Check for handling unit does not allow all types of lot grouping," typically occurs in the context of handling units (HUs) and lot management in SAP. This error indicates that there is a restriction on how lots can be grouped within a handling unit, which may be due to configuration settings or the specific characteristics of the materials involved.
  Cause:
  
  
  Lot Management Settings: The material master settings for the item in question may not allow for the desired lot grouping. This can happen if the material is set up to manage lots in a specific way that conflicts with the handling unit's configuration.
  
  
  Handling Unit Configuration: The handling unit type may have restrictions on how lots can be grouped. For example, it may only allow certain types of lot grouping (e.g., by batch, by production date, etc.).
  
  
  Material Characteristics: The characteristics of the materials being handled may not be compatible with the lot grouping rules defined in the system.
  
  
  Warehouse Management Settings: If you are using SAP Extended Warehouse Management (EWM), there may be specific settings related to handling units and lot management that are causing the issue.
  
  
  Solution:
  
  
  Review Material Master Data: Check the material master data for the affected materials. Ensure that the lot management settings are configured correctly and that they align with the handling unit's requirements.
  
  
  Check Handling Unit Type Configuration: Review the configuration of the handling unit type in the system. Ensure that it allows for the desired lot grouping. You may need to adjust the settings to permit the required grouping.
  
  
  Adjust Lot Grouping Settings: If applicable, modify the lot grouping settings in the system to allow for the desired configuration. This may involve changing settings in the material master or in the handling unit configuration.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling units and lot management. This can provide insights into best practices and configuration options.
  
  
  Testing: After making changes, conduct tests to ensure that the error no longer occurs and that the handling units can be processed as intended.
  
  
  Seek Expert Help: If the issue persists, consider consulting with an SAP expert or your organization's SAP support team for further assistance.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling units and lot management.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as HU02 (Change Handling Unit), MM02 (Change Material), and LX02 (Display Warehouse Stock) to help diagnose and resolve the issue.
  Training and Documentation: Consider training sessions or documentation on handling units and lot management in SAP to better understand the underlying processes and configurations.
  
  By following these steps, you should be able to identify the cause of the QHU018 error and implement a solution to resolve it.