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

CM_EHFND_CHM128 - Overview

• 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.

Unfortunately, there isn't any extra information in this error notice.

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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