How To Fix CM_EHFND_CHM120 - &1 has already been added to &2 in section &3

CM_EHFND_CHM120 - Overview

• Message type: E = Error

• Message class: CM_EHFND_CHM - Messages for Chemical Agents

• Message number: 120

• Message text: &1 has already been added to &2 in section &3

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_CHM120 - &1 has already been added to &2 in section &3 ?

  The SAP error message CM_EHFND_CHM120 typically indicates that there is an attempt to add an item (like a field, entity, or component) that has already been included in a specific section of a configuration or data model. This error is common in scenarios involving configuration management, especially when working with the SAP Cloud Application Programming (CAP) model or similar frameworks.
  
  Cause:
  The error occurs when:
  
  You are trying to add a duplicate entry to a collection or list that does not allow duplicates.
  There is a misconfiguration in your data model or application where the same item is being referenced multiple times.
  The system is enforcing uniqueness constraints that are being violated.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check for Duplicates: Review the section mentioned in the error message (&3) to see if the item (&1) is already present in the collection (&2). If it is, you do not need to add it