How To Fix P0521 - The names must be different

SAP Error Message - Details

• Message type: E = Error

• Message class: P0 - Messages for Transactions PE01, PE02 and PE03

• Message number: 521

• Message text: The names must be different

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 P0521 - The names must be different ?

  The SAP error message P0521, "The names must be different," typically occurs in the context of data entry or configuration where duplicate names or identifiers are not allowed. This error can arise in various scenarios, such as when creating or modifying master data, configuration settings, or other entities within the SAP system.
  Cause:
  
  Duplicate Entries: The most common cause of this error is that you are trying to create or modify an entry (like a vendor, customer, or material) with a name that already exists in the system.
  Configuration Issues: In some cases, this error can occur due to incorrect configuration settings where unique identifiers are required.
  Data Migration: During data migration or uploads, if the data being imported contains duplicates, this error may be triggered.
  
  Solution:
  
  Check for Duplicates: Verify if the name or identifier you are trying to use already exists in the system. You can do this by searching for the entry in the relevant transaction or using reports.
  Use Unique Names: If you find that the name is already in use, choose a different, unique name for your new entry.
  Review Configuration: If the error occurs during configuration, review the settings to ensure that unique identifiers are being used as required by the system.
  Data Cleansing: If this error arises during data migration, ensure that your data is cleansed and that there are no duplicates before attempting to upload it again.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines related to the transaction or module you are working with.
  
  Related Information:
  
  Transaction Codes: Depending on where the error occurs, you may be using different transaction codes (e.g., MM01 for material creation, XK01 for vendor creation).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Authorization: Ensure that you have the necessary authorizations to create or modify the entries in question, as sometimes restrictions can lead to unexpected errors.
  Support: If the issue persists and you cannot identify the cause, consider reaching out to your SAP support team or consulting with SAP Community forums for assistance.
  
  By following these steps, you should be able to resolve the P0521 error and proceed with your tasks in SAP.