How To Fix /SCWM/HU_WM156 - Mixed storage in HU (&1) for st. type &2 failed due to AUoM check

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/HU_WM -

• Message number: 156

• Message text: Mixed storage in HU (&1) for st. type &2 failed due to AUoM check

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/HU_WM156 - Mixed storage in HU (&1) for st. type &2 failed due to AUoM check ?

  The SAP error message /SCWM/HU_WM156 indicates that there is an issue with mixed storage in Handling Units (HUs) due to an "AUoM check." This error typically arises in the context of warehouse management and handling units in SAP Extended Warehouse Management (EWM).
  Cause:
  The error occurs when you attempt to store different products in the same Handling Unit (HU) that have different Alternative Units of Measure (AUoM). The system checks the AUoM for the products being stored and finds that they do not match, which violates the mixed storage rules configured in the system.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Product AUoM Settings:
  
  Verify the AUoM settings for the products you are trying to store in the same HU. Ensure that they are compatible and can be mixed according to your warehouse management rules.
  
  
  
  Adjust Handling Unit Configuration:
  
  If you need to store different products with different AUoMs in the same HU, you may need to adjust the configuration settings in your SAP EWM system to allow for mixed storage. This may involve changing the settings for the storage type or the handling unit type.
  
  
  
  Use Separate Handling Units:
  
  If the products cannot be mixed due to AUoM differences, consider using separate HUs for each product. This will prevent the error from occurring.
  
  
  
  Review Warehouse Management Settings:
  
  Check the warehouse management settings related to mixed storage and AUoM checks. You may need to consult with your SAP EWM administrator or a functional consultant to ensure that the settings align with your business processes.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to handling units and mixed storage for further guidance on how to configure your system appropriately.
  
  
  
  Related Information:
  
  Handling Units (HUs): In SAP EWM, HUs are used to manage the physical handling of goods. Each HU can contain one or more products, but there are rules regarding what can be stored together.
  Alternative Units of Measure (AUoM): These are units of measure that can be used in addition to the base unit of measure for a product. They are important for inventory management and can affect how products are stored and handled in the warehouse.
  Mixed Storage Rules: These rules define how different products can be stored together in the same location or HU. They can be configured based on various criteria, including product characteristics and AUoM.
  
  If the issue persists after following these steps, it may be beneficial to engage with SAP support or a consultant who specializes in SAP EWM for further assistance.