How To Fix O3199 - Plant & segment already maintained, creation not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: O3 - IS-Oil: HPM messages (goods movements, QCI, deliveries)

• Message number: 199

• Message text: Plant & segment already maintained, creation not allowed

What causes this issue?

This material has already been created at the plant.
It is not possible to create it twice.

How to fix this error?

Enter another plant that has not been maintained for the material, or
return to the Material Master Menu and choose 'change' or 'display
material'.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message O3199 - Plant & segment already maintained, creation not allowed ?

  The SAP error message O3199 ("Plant & segment already maintained, creation not allowed") typically occurs when you are trying to create a new entry in a configuration or master data table where a combination of plant and segment already exists. This is common in scenarios involving material master data, cost center accounting, or other areas where specific combinations of organizational units and segments are defined.
  Cause:
  
  Duplicate Entry: The primary cause of this error is that there is already an existing entry in the system for the specified plant and segment combination. SAP does not allow the creation of duplicate entries to maintain data integrity.
  Configuration Settings: Certain configuration settings may restrict the creation of new entries if the combination already exists.
  Data Consistency: The system is designed to prevent inconsistencies that could arise from having multiple entries for the same plant and segment.
  
  Solution:
  
  Check Existing Entries: Before attempting to create a new entry, check the existing records for the specified plant and segment. You can do this by navigating to the relevant transaction (e.g., MM03 for material master) and searching for the existing data.
  Modify Existing Entry: If you need to change the details for the existing plant and segment combination, consider modifying the existing entry instead of creating a new one.
  Delete Unnecessary Entries: If there are duplicate or unnecessary entries that are causing the issue, you may need to delete them (ensure you have the necessary authorizations and that this action is compliant with your organization's data management policies).
  Consult Documentation: Review the relevant SAP documentation or configuration guides to understand the rules governing the creation of entries in the specific module you are working with.
  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 MM01 (Create Material), MM02 (Change Material), and MM03 (Display Material) for material master data.
  Authorization: Ensure that you have the necessary authorizations to create or modify entries in the system.
  Data Model: Understanding the data model and relationships between different entities (like plants, segments, and materials) can help in troubleshooting similar issues in the future.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message, as there may be specific fixes or recommendations provided by SAP.
  
  By following these steps, you should be able to address the O3199 error effectively.