How To Fix CM_EHFND_API_SUBST021 - &1: Substance exists several times

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_EHFND_API_SUBST -

• Message number: 021

• Message text: &1: Substance exists several times

What causes this issue?

You want to transfer the substance with &V1& number several times.

System Response

The system could not transfer the substance with &V1& number clearly.

How to fix this error?

Contact your system administrator.

Procedure for System Administrators

Ensure that the substance is transferred uniquely.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CM_EHFND_API_SUBST021 - &1: Substance exists several times ?

  The SAP error message CM_EHFND_API_SUBST021 indicates that there is a problem with the substance data in the system. Specifically, the message states that a substance exists multiple times, which typically means that there are duplicate entries for a substance in the database.
  
  Cause:
  
  Duplicate Substance Entries: The most common cause of this error is that the substance you are trying to create or modify already exists in the system with the same identifier (e.g., substance name, CAS number).
  Data Import Issues: If substances were imported from an external system or file, there may have been duplicates in the source data.
  Incorrect Configuration: There may be issues with the configuration of the substance management module that allows for duplicate entries.
  
  
  Solution:
  
  
  Check for Duplicates:
  
  Use the SAP transaction code CODES or CUP to search for the substance in question. Look for any existing entries that may match the one you are trying to create or modify.
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