How To Fix CM_EHFND_CNS_SUB001 - Listed substance (&1) is already linked to substance (&2).

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_EHFND_CNS_SUB - Message Class for UI Substance

• Message number: 001

• Message text: Listed substance (&1) is already linked to substance (&2).

What causes this issue?

You have chosen a listed substance that is already linked to another
substance.

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?

Do you really want to create an additional substance that is linked to
this listed substance?

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 CM_EHFND_CNS_SUB001 - Listed substance (&1) is already linked to substance (&2). ?

  The SAP error message CM_EHFND_CNS_SUB001 indicates that there is an attempt to link a substance that is already associated with another substance. This typically occurs in the context of substance management within SAP, particularly in the Environment, Health, and Safety (EHS) module, where substances are managed for compliance and regulatory purposes.
  Cause:
  The error arises when:
  
  You are trying to create a new link between two substances, but the substance you are trying to link (substance &1) is already linked to another substance (substance &2).
  This can happen during the creation or modification of substance relationships, such as when defining substance hierarchies or relationships in the SAP EHS module.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Links:
  
  Review the existing relationships of the substance that is causing the error (substance &1). You can do this by navigating to the substance management area in SAP and checking the relationships or links associated with that substance.
  
  
  
  Modify or Remove Existing Links:
  
  If the substance is already linked to another substance and you need to change this relationship, you may need to remove the existing link before creating a new one. Ensure that this action does not violate any compliance or regulatory requirements.
  
  
  
  Consult Documentation:
  
  Refer to the SAP EHS documentation or help files for guidance on managing substance links and relationships. This can provide insights into best practices and compliance considerations.
  
  
  
  Use Transaction Codes:
  
  Utilize relevant transaction codes (like C223 for managing substance relationships) to view and edit substance links.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support or your internal SAP support team for assistance. They may provide additional insights or solutions based on your specific configuration and usage of the system.
  
  
  
  Related Information:
  
  Substance Management: Understanding how substances are managed in SAP EHS is crucial. Familiarize yourself with the concepts of substance hierarchies, classifications, and relationships.
  Compliance Regulations: Be aware of any compliance regulations that may affect how substances are linked and managed within your organization.
  SAP Notes: Check for any relevant SAP Notes that may address this error or provide additional context or fixes.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.