How To Fix WN402 - Table &: entry exists with different values &

SAP Error Message - Details

• Message type: E = Error

• Message class: WN - Plant master data maintenance (integrated)

• Message number: 402

• Message text: Table &: entry exists with different values &

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WN402 - Table &: entry exists with different values & ?

  The SAP error message WN402 indicates that there is a conflict in the data for a specific table entry. The message typically means that an entry already exists in the specified table with different values than what you are trying to insert or update. This can occur in various contexts, such as when working with master data, configuration settings, or transactional data.
  Cause:
  
  Duplicate Entries: The entry you are trying to create or modify already exists in the database with different values.
  Data Inconsistency: There may be inconsistencies in the data due to previous updates or incorrect data entry.
  Configuration Issues: The system may have been configured in a way that does not allow for certain combinations of data.
  User Error: The user may be attempting to enter data that conflicts with existing records.
  
  Solution:
  
  Check Existing Entries: Use transaction codes like SE16 or SE11 to view the contents of the table in question. Look for the existing entry that is causing the conflict.
  Review Data: Compare the values of the existing entry with the values you are trying to enter. Identify the differences.
  Modify or Delete: If appropriate, modify the existing entry to match the new values you want to enter, or delete the existing entry if it is no longer needed (ensure this is compliant with business rules).
  Consult Documentation: Review any relevant documentation or configuration settings that may explain why the conflict is occurring.
  Error Handling: Implement error handling in your processes to catch such conflicts before they cause issues.
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting SAP notes for further guidance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE16 (Data Browser), SE11 (Data Dictionary), and SE78 (SAP Archive Link) to investigate the issue further.
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message WN402.
  Data Model: Understand the data model and relationships between tables to better grasp why the conflict is occurring.
  User Permissions: Ensure that you have the necessary permissions to modify the entries in the table.
  
  By following these steps, you should be able to identify the cause of the WN402 error and take appropriate action to resolve it.