How To Fix KMAT_MIGR124 - &1 duplicates instances found for variants.

SAP Error Message - Details

• Message type: E = Error

• Message class: KMAT_MIGR - Message Class for Migration of Variants to IBase

• Message number: 124

• Message text: &1 duplicates instances found for variants.

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message KMAT_MIGR124 - &1 duplicates instances found for variants. ?

  The SAP error message KMAT_MIGR124 indicates that there are duplicate instances found for variants during the migration of configurable materials (KMAT). This typically occurs when you are trying to migrate or manage configurable materials in SAP, and the system detects that there are multiple entries for the same variant, which can lead to inconsistencies in the data.
  Cause:
  
  Duplicate Configuration: The most common cause is that there are multiple configurations or variants defined for the same material, which can happen due to data entry errors or incorrect configuration settings.
  Data Migration Issues: If you are migrating data from another system or from legacy data, duplicates may arise if the data was not cleaned or validated before migration.
  Incorrect Master Data: Issues in the master data setup, such as incorrect or incomplete entries, can lead to duplicates being created.
  
  Solution:
  
  Identify Duplicates: Use transaction codes like SE16 or SE11 to query the relevant tables (e.g., MARA, MARC, MSTB, etc.) to identify the duplicate entries for the variants.
  Data Cleanup: Once duplicates are identified, you will need to clean up the data. This may involve:
  
  Deleting or merging duplicate entries.
  Correcting the configuration settings to ensure that each variant is unique.
  
  
  Validation: After cleaning up the data, validate the configurations to ensure that there are no remaining duplicates.
  Re-run Migration: If this error occurred during a migration process, you may need to re-run the migration after resolving the duplicates.
  Consult Documentation: Refer to SAP documentation or notes related to KMAT and variant configuration for any specific guidelines or tools that can assist in resolving this issue.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions for this specific error message.
  Transaction Codes: Familiarize yourself with transaction codes related to configurable materials, such as:
  
  CU50: Configuration Profile
  CU60: Configuration Overview
  
  
  Data Consistency Checks: Regularly perform data consistency checks to prevent such issues from arising in the future.
  Training and Best Practices: Ensure that users involved in creating or managing configurable materials are trained on best practices to avoid data entry errors.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a consultant who specializes in SAP configuration and data migration.