How To Fix >4631 - Field &1 is duplicated

SAP Error Message - Details

• Message type: E = Error

• Message class: >4 - SAP File Transfer Protocol

• Message number: 631

• Message text: Field &1 is duplicated

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message >4631 - Field &1 is duplicated ?

  The SAP error message "4631 Field &1 is duplicated" typically occurs when there is an attempt to insert or update a record in a database table where a field that is supposed to be unique has duplicate values. This can happen in various scenarios, such as during data entry, data migration, or when running batch jobs.
  Cause:
  
  Duplicate Entries: The most common cause is that the field in question (denoted by &1) is defined as unique in the database schema, and the system is trying to insert or update a record that would result in a duplicate value for that field.
  Data Migration Issues: If data is being migrated from another system or from a legacy database, there may be existing duplicates that violate the uniqueness constraint.
  Incorrect Logic in Custom Code: If there is custom ABAP code or enhancements that manipulate data, they may inadvertently create duplicates.
  User Input Errors: Users may enter duplicate values in a form or transaction that are not being validated properly.
  
  Solution:
  
  Identify Duplicates: Check the database table for existing records that have the same value in the field that is causing the error. You can use SQL queries to find duplicates.
  SELECT field_name, COUNT(*)
  FROM table_name
  GROUP BY field_name
  HAVING COUNT(*) > 1;
  
  Data Cleanup: If duplicates are found, you will need to decide how to handle them. This may involve deleting or merging records, or updating them to ensure uniqueness.
  Validation Logic: Implement or enhance validation logic in the application to prevent users from entering duplicate values. This can be done through input checks or by using unique constraints in the database.
  Review Custom Code: If the error is occurring due to custom ABAP code, review the logic to ensure it correctly handles unique constraints.
  Consult Documentation: Check SAP documentation or notes related to the specific transaction or module you are working with for any known issues or additional guidance.
  
  Related Information:
  
  Transaction Codes: Depending on where the error occurs, you may want to check transaction codes related to the specific module (e.g., MM for materials management, SD for sales and distribution).
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Database Constraints: Understand the database constraints defined for the table in question, as this will help in identifying which fields are unique and how they are enforced.
  
  By following these steps, you should be able to diagnose and resolve the "4631 Field &1 is duplicated" error in SAP.