How To Fix N2M123 - Make association once only for same item

N2M123 - Overview

• Message type: E = Error

• Message class: N2M - Global Trade: Item Category Management

• Message number: 123

• Message text: Make association once only for same item

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 N2M123 - Make association once only for same item ?

  The SAP error message N2M123 ("Make association once only for same item") typically occurs in the context of the SAP Materials Management (MM) module, particularly when dealing with the association of materials or items in a specific process, such as in the creation of purchase orders, material master records, or during the configuration of certain master data.
  
  Cause:
  The error message indicates that there is an attempt to associate the same item multiple times in a context where only a single association is allowed. This could happen due to:
  
  Duplicate Entries: The system is detecting that the same item is being linked or associated more than once in a transaction or configuration.
  Incorrect Configuration: There may be a configuration issue in the system that allows for multiple associations when only one is permitted.
  Data Integrity Issues: There could be issues with the data integrity in the database, leading to unexpected behavior.
  
  
  Solution:
  To resolve the N2M123 error,