How To Fix /ISDFPS/MM471 - NSN & already exists

/ISDFPS/MM471 - Overview

• Message type: E = Error

• Message class: /ISDFPS/MM -

• Message number: 471

• Message text: NSN & already exists

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 /ISDFPS/MM471 - NSN & already exists ?

  The SAP error message /ISDFPS/MM471 NSN & already exists typically occurs in the context of materials management and inventory management within the SAP system. This error indicates that you are trying to create or update a National Stock Number (NSN) that already exists in the system. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Duplicate Entry: The NSN you are trying to enter is already present in the database. This can happen if the NSN was previously created or imported.
  Data Migration Issues: If data was migrated from another system, there may be duplicates that were not properly handled.
  User Error: The user may have mistakenly attempted to create an NSN that they believed was new but is already in use.
  
  Solutions:
  
  
  Check Existing NSNs: Before creating a new NSN, check the existing records in the system to confirm whether the NSN is already present. You can do this by using transaction