How To Fix MD_SUBSTN003 - Substitution already exists in table

SAP Error Message - Details

• Message type: E = Error

• Message class: MD_SUBSTN - Messages for Master Data Substitution

• Message number: 003

• Message text: Substitution already exists in table

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 MD_SUBSTN003 - Substitution already exists in table ?

  The SAP error message MD_SUBSTN003 indicates that a substitution already exists in the system for the specified material or condition. This error typically arises when you attempt to create a new substitution entry in the system, but a similar entry already exists in the relevant table.
  Cause:
  
  Duplicate Entry: The most common cause is that there is already a substitution defined for the material or condition you are trying to set up.
  Incorrect Data Entry: You may be trying to enter a substitution that overlaps with an existing one, either in terms of the material or the validity period.
  Configuration Issues: There may be issues with how the substitution is configured in the system, leading to conflicts.
  
  Solution:
  
  
  Check Existing Substitutions: 
  
  Go to the relevant transaction (e.g., MD61 for planning or MD02 for MRP) and check if the substitution already exists for the material in question.
  Use transaction codes like MD04 (Stock/Requirements List) or MD05 (Display MRP List) to see if there are existing entries.
  
  
  
  Modify or Delete Existing Entry:
  
  If you find an existing substitution that is not needed, you can delete it or modify it to accommodate the new substitution you want to create.
  Ensure that the validity dates do not overlap if you are trying to create a new substitution.
  
  
  
  Consult Documentation: 
  
  Review the SAP documentation or help files related to material substitution to ensure you are following the correct procedures.
  
  
  
  Check Authorization: 
  
  Ensure that you have the necessary authorizations to create or modify substitutions in the system.
  
  
  
  Contact Support: 
  
  If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MD61, MD02, MD04, and MD05 for managing material planning and substitutions.
  SAP Notes: Check SAP Notes for any known issues or patches related to substitution errors.
  Documentation: Review the SAP Help Portal for detailed information on material management and substitution processes.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.