How To Fix DBMAN402 - The entry (&1, &2) is redundant

SAP Error Message - Details

• Message type: E = Error

• Message class: DBMAN - Data Manager Message Class

• Message number: 402

• Message text: The entry (&1, &2) is redundant

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DBMAN402 - The entry (&1, &2) is redundant ?

  The SAP error message DBMAN402, which states "The entry (&1, &2) is redundant," typically occurs in the context of database management and indicates that there is a duplicate or redundant entry in the database that violates the uniqueness constraint.
  Cause:
  
  Duplicate Entries: The most common cause of this error is that there are multiple entries in the database that have the same key values, which should be unique.
  Data Migration Issues: If data has been migrated from another system or if there have been manual entries that were not properly validated, this can lead to redundancy.
  Configuration Errors: Incorrect configuration settings in the database or application can also lead to attempts to insert duplicate entries.
  
  Solution:
  
  
  Identify Redundant Entries: Use SQL queries or SAP transaction codes to identify the entries that are causing the redundancy. You can check the relevant tables for duplicates based on the key fields indicated by (&1, &2).
  Example SQL query:
  SELECT * FROM your_table
  WHERE key_field1 = 'value1' AND key_field2 = 'value2';
  
  
  Remove or Update Duplicates: Once you have identified the redundant entries, you can either delete the duplicates or update them to ensure that they are unique. Be cautious when deleting data to avoid losing important information.
  
  
  Check Data Entry Processes: Review the processes for data entry to ensure that they include checks for existing entries before inserting new ones. This can help prevent future occurrences of this error.
  
  
  Database Constraints: Ensure that the database constraints are correctly set up to enforce uniqueness where necessary. This may involve modifying the database schema.
  
  
  Consult Documentation: If the error persists, consult SAP documentation or support for specific guidance related to your version of SAP and the context in which the error occurs.
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like SE11 (Data Dictionary) to check the table structure and constraints.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Logs and Traces: Review application logs and traces to gather more context about when and why the error is occurring.
  
  If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.