How To Fix F2151 - Customer & already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: F2 - Master Data Maintenance: Customer, Vendor

• Message number: 151

• Message text: Customer & 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.

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message F2151 - Customer & already exists ?

  The SAP error message F2151, which states "Customer & already exists," typically occurs when you attempt to create a new customer record in the SAP system, but a customer with the same identification (such as customer number or name) already exists in the database. This can happen in various modules, including Financial Accounting (FI) and Sales and Distribution (SD).
  Cause:
  
  Duplicate Customer Record: The most common cause is that the customer you are trying to create already exists in the system, either in the same company code or in a different one.
  Incorrect Input: You may have entered the customer number or name incorrectly, leading to a perceived duplicate.
  Data Migration Issues: If data was migrated from another system, there may be duplicates that were not cleaned up.
  
  Solution:
  
  
  Check for Existing Customer:
  
  Use transaction codes like FD03 (Display Customer) or XD03 (Display Customer - General Data) to search for the customer using different criteria (e.g., name, address, etc.).
  If you find the customer, you can either use the existing record or modify it as needed.
  
  
  
  Use Different Customer Number:
  
  If you need to create a new customer and the existing one is not suitable, consider using a different customer number or identifier.
  
  
  
  Data Cleanup:
  
  If duplicates are found due to data migration or other issues, consider cleaning up the data by merging or deleting unnecessary duplicates, following your organization's data governance policies.
  
  
  
  Consult with IT or SAP Support:
  
  If you are unsure about the existing records or how to proceed, consult with your IT department or SAP support team for assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FD01 (Create Customer), FD02 (Change Customer), and FD03 (Display Customer).
  Customer Master Data: Understand the structure of customer master data in SAP, including the different views (General Data, Company Code Data, Sales Area Data).
  SAP Notes: Check SAP Notes for any known issues or patches related to customer creation and management.
  User Authorization: Ensure you have the necessary authorizations to create or modify customer records in the system.
  
  By following these steps, you should be able to resolve the F2151 error and successfully manage customer records in SAP.