How To Fix BAPI1080012 - Assignment of material & to variant & in plant & exists several times

SAP Error Message - Details

• Message type: E = Error

• Message class: BAPI1080 - Message - BAPIS for BOR object BUS1080 (Mat. BOMs)

• Message number: 012

• Message text: Assignment of material & to variant & in plant & exists several times

What causes this issue?

The given material is assigned to a variante/alternative more than once
in the given plant.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check the input data.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BAPI1080012 - Assignment of material & to variant & in plant & exists several times ?

  The SAP error message BAPI1080012 indicates that there is a duplicate assignment of a material to a variant in a specific plant. This typically occurs when you are trying to create or update a material variant in the system, and the system finds that the combination of material, variant, and plant already exists multiple times in the database.
  Cause:
  
  Duplicate Entries: The most common cause is that the material and variant combination already exists in the system for the specified plant. This can happen if the data was previously entered incorrectly or if there are multiple records for the same combination.
  Data Migration Issues: If data was migrated from another system or if there were bulk uploads, duplicates may have been created unintentionally.
  Incorrect Input: The user may have mistakenly entered the same material and variant combination multiple times.
  
  Solution:
  
  Check Existing Records: Use transaction codes like SE16 or SE11 to check the relevant database tables (e.g., MARC for material data) to see if the combination of material, variant, and plant already exists. 
  Remove Duplicates: If duplicates are found, you may need to delete or correct the duplicate entries. Ensure that you have the necessary authorizations to make changes to the data.
  Data Validation: Implement validation checks in your data entry processes to prevent duplicates from being created in the future.
  Consult Documentation: Review the SAP documentation or consult with your SAP support team for specific guidelines on handling material variants and ensuring data integrity.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), and MM03 (Display Material) to manage material data.
  Tables: Understand the relevant tables involved in material and variant management, such as MARA (General Material Data), MARC (Plant Data for Material), and MAST (Material to BOM Link).
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may address the issue.
  
  If the problem persists after checking for duplicates and correcting any issues, it may be beneficial to reach out to your SAP support team for further assistance.