How To Fix DGHU118 - Replacement material &1 is already assigned to specification &2

SAP Error Message - Details

• Message type: E = Error

• Message class: DGHU - Messages for Handling Unit and Dynam. Classification

• Message number: 118

• Message text: Replacement material &1 is already assigned to specification &2

What causes this issue?

The replacement material&V1& that you have selected has already been
assigned to the specification&V2& .
Only one specification can be assigned to a material.

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?

Check the existing assignment of the material &V1& and, if necessary,
choose a different replacement material.

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 DGHU118 - Replacement material &1 is already assigned to specification &2 ?

  The SAP error message DGHU118 indicates that a replacement material is already assigned to a specific specification. This typically occurs in the context of material management and product specifications within SAP, particularly when dealing with material master records and their relationships.
  Cause:
  
  Existing Assignment: The replacement material you are trying to assign is already linked to another specification. This can happen if the material has been previously defined as a replacement for a different material.
  Data Integrity Rules: SAP enforces data integrity rules to prevent multiple assignments of the same replacement material to different specifications, which can lead to confusion and inconsistencies in data.
  
  Solution:
  
  
  Check Existing Assignments: 
  
  Navigate to the relevant transaction (e.g., MM03 for material master) and check the specifications assigned to the replacement material. 
  Identify if the material is already linked to another specification and determine if that assignment is still valid.
  
  
  
  Remove or Change Assignment:
  
  If the existing assignment is no longer needed, you can remove it. This can be done through the appropriate transaction (e.g., using MM02 to change the material master).
  If the replacement material needs to be assigned to a different specification, consider whether you can reassign it or if a new replacement material needs to be created.
  
  
  
  Consult Documentation: 
  
  Review the documentation or guidelines related to material specifications and replacements in your organization to ensure compliance with internal processes.
  
  
  
  Contact SAP Support: 
  
  If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting SAP notes for further assistance.
  
  
  
  Related Information:
  
  Material Master Records: Understanding how material master records are structured and how specifications are assigned can help in troubleshooting similar issues.
  SAP Transactions: Familiarize yourself with relevant transactions such as MM01 (Create Material), MM02 (Change Material), and MM03 (Display Material) to manage material specifications effectively.
  Data Governance: Ensure that there are clear data governance policies in place regarding material specifications and replacements to prevent similar issues in the future.
  
  By following these steps, you should be able to resolve the DGHU118 error and manage your material specifications effectively.