How To Fix MPN10002 - Sub-item already exists for material &

SAP Error Message - Details

• Message type: E = Error

• Message class: MPN10 - Messages: Purchasing IS A&D/E&C 3.0 MPN Interchangeability

• Message number: 002

• Message text: Sub-item already exists for material &

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 MPN10002 - Sub-item already exists for material & ?

  The SAP error message MPN10002, which states "Sub-item already exists for material &," typically occurs in the context of managing materials and their associated sub-items in the SAP system, particularly when dealing with material master data or when creating or modifying purchase orders, production orders, or other related documents.
  Cause:
  The error indicates that there is an attempt to create or assign a sub-item (such as a component or variant) to a material that already has that sub-item defined. This can happen due to:
  
  Duplicate Entries: The sub-item you are trying to add already exists for the specified material.
  Incorrect Data Entry: There may be a mistake in the data entry process, leading to an attempt to create a duplicate.
  Configuration Issues: There might be issues in the configuration of the material master or the way sub-items are defined in the system.
  
  Solution:
  To resolve the MPN10002 error, you can take the following steps:
  
  
  Check Existing Sub-Items:
  
  Navigate to the material master data for the specified material and check the list of existing sub-items. Ensure that the sub-item you are trying to add does not already exist.
  
  
  
  Modify Existing Sub-Item:
  
  If the sub-item already exists and you need to make changes, consider modifying the existing sub-item instead of trying to create a new one.
  
  
  
  Data Validation:
  
  Ensure that the data you are entering is correct and does not lead to duplication. Double-check the material number and sub-item details.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources related to material management and sub-items to understand the correct procedures for managing these entries.
  
  
  
  Contact Support:
  
  If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert who can provide guidance based on your specific configuration and setup.
  
  
  
  Related Information:
  
  Material Master Data: Understanding how material master data is structured in SAP can help in managing sub-items effectively.
  Transaction Codes: Familiarize yourself with relevant transaction codes (like MM01, MM02, ME21N, etc.) that are used for managing materials and their components.
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide additional insights or patches that could resolve the issue.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.