How To Fix /SCWM/RF_EN077 - HU &1 already exists; check your entry

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/RF_EN -

• Message number: 077

• Message text: HU &1 already exists; check your entry

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_EN077 - HU &1 already exists; check your entry ?

  The SAP error message /SCWM/RF_EN077 HU &1 already exists; check your entry typically occurs in the context of handling units (HUs) in the SAP Extended Warehouse Management (EWM) module. This error indicates that the handling unit you are trying to create or process already exists in the system.
  Cause:
  
  
  Duplicate Handling Unit: The handling unit (HU) you are trying to create or use is already present in the system. This can happen if:
  
  You are trying to create a new HU with the same identifier as an existing one.
  There was a previous transaction that created the HU, and you are attempting to create it again without realizing it already exists.
  
  
  
  Incorrect Entry: The entry you are making may have been incorrectly inputted, leading to a conflict with an existing HU.
  
  
  Solution:
  
  
  Check Existing HUs: 
  
  Use transaction codes like /SCWM/HU or /SCWM/PR to search for the existing handling unit using the HU number you are trying to create. This will help you confirm if the HU already exists.
  
  
  
  Use a Unique Identifier: 
  
  If you need to create a new HU, ensure that you are using a unique identifier that does not conflict with existing HUs.
  
  
  
  Review Transaction Logic: 
  
  If you are using a custom program or transaction, review the logic to ensure it is not attempting to create an HU that already exists.
  
  
  
  Delete or Modify Existing HU: 
  
  If the existing HU is no longer needed, you may consider deleting it (if allowed) or modifying it to fit your needs.
  
  
  
  Consult Documentation: 
  
  Check SAP documentation or help resources for more specific guidance related to handling units and the context in which you are encountering this error.
  
  
  
  Related Information:
  
  Handling Units (HUs): In SAP EWM, HUs are used to manage and track physical items in the warehouse. Each HU can represent a single item or a collection of items.
  Transaction Codes: Familiarize yourself with relevant transaction codes for managing HUs, such as /SCWM/HU for HU management and /SCWM/PR for processing requests.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message, as there may be updates or fixes provided by SAP.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant who can provide more in-depth assistance.