How To Fix CM_EHFND_CHM128 - Listed substance "&1" has already been assigned

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_EHFND_CHM - Messages for Chemical Agents

• Message number: 128

• Message text: Listed substance "&1" has already been assigned

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CM_EHFND_CHM128 - Listed substance "&1" has already been assigned ?

  The SAP error message CM_EHFND_CHM128 indicates that a listed substance (identified by the placeholder "&1") has already been assigned in the system. This error typically arises in the context of managing chemical substances within SAP's Environment, Health, and Safety (EHS) module, particularly when dealing with compliance and regulatory requirements.
  Cause:
  The error occurs when there is an attempt to assign a substance that is already linked to another entity (such as a product, material, or another substance) in the system. This can happen due to:
  
  Duplicate Entries: The substance may have been previously assigned to a different product or material.
  Incorrect Data Entry: There may be an attempt to reassign a substance without first removing its existing assignment.
  System Configuration: The system may be configured to prevent multiple assignments of the same substance to different entities.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Assignments:
  
  Use the relevant transaction codes (like C223 for substance assignment) to check where the substance is currently assigned.
  Identify the entity to which the substance is already linked.
  
  
  
  Remove or Modify Existing Assignment:
  
  If the substance needs to be reassigned, you may need to first remove it from its current assignment.
  Ensure that the removal does not violate any compliance or regulatory requirements.
  
  
  
  Reassign the Substance:
  
  After ensuring that the substance is no longer assigned elsewhere, attempt to reassign it to the desired entity.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to the EHS module for specific guidelines on managing listed substances.
  
  
  
  Contact SAP Support:
  
  If the issue persists or if you are unsure about the implications of removing an assignment, consider reaching out to SAP support or your internal SAP team for assistance.
  
  
  
  Related Information:
  
  SAP EHS Module: This module is designed to help organizations manage compliance with environmental, health, and safety regulations, including the management of hazardous substances.
  Substance Management: Understanding how substances are categorized and managed within SAP is crucial for compliance and safety.
  Regulatory Compliance: Ensure that any changes made to substance assignments comply with local and international regulations regarding chemical substances.
  
  By following these steps, you should be able to resolve the CM_EHFND_CHM128 error and manage your listed substances effectively within SAP.