How To Fix /SCWM/RF_EN839 - Only a handling unit of type &1 is allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/RF_EN -

• Message number: 839

• Message text: Only a handling unit of type &1 is allowed

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/RF_EN839 - Only a handling unit of type &1 is allowed ?

  The SAP error message /SCWM/RF_EN839 Only a handling unit of type &1 is allowed typically occurs in the context of SAP Extended Warehouse Management (EWM) when there is an attempt to process a handling unit (HU) that does not match the expected type for a specific operation. This error is often encountered during tasks such as picking, packing, or shipping.
  Cause:
  The error is triggered when:
  
  The handling unit (HU) being processed is of a different type than what is required for the operation.
  The system is configured to only allow certain types of handling units for specific processes, and the HU being used does not meet these criteria.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Handling Unit Type:
  
  Verify the type of the handling unit you are trying to use. You can do this by checking the HU details in the system.
  Ensure that the HU type matches the expected type for the operation you are performing.
  
  
  
  Review Configuration:
  
  Check the configuration settings in SAP EWM related to handling unit types. This includes settings in the warehouse management configuration that define which HU types are allowed for specific processes.
  If necessary, adjust the configuration to allow the desired HU type for the operation.
  
  
  
  Use Correct Handling Unit:
  
  If the handling unit type is incorrect, you may need to create or select a different handling unit that meets the requirements for the operation you are trying to perform.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation or help files related to handling units and their types to understand the specific requirements for the operation you are performing.
  
  
  
  Contact Support:
  
  If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert who can provide further assistance.
  
  
  
  Related Information:
  
  Handling Unit Types: In SAP EWM, handling units can be of various types (e.g., pallets, boxes, containers). Each type may have specific attributes and uses.
  Warehouse Process Types: Different warehouse processes (like picking, packing, and shipping) may have specific requirements regarding the handling unit types that can be used.
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP EWM that can help you manage handling units, such as /SCWM/HU for handling unit management.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.