How To Fix /BSNAGT/MESSAGE142 - Duplicate message MessageID &1 SenderID &2 already exist in database

SAP Error Message - Details

• Message type: E = Error

• Message class: /BSNAGT/MESSAGE -

• Message number: 142

• Message text: Duplicate message MessageID &1 SenderID &2 already exist in database

Self-Explanatory Message

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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 /BSNAGT/MESSAGE142 - Duplicate message MessageID &1 SenderID &2 already exist in database ?

  The SAP error message /BSNAGT/MESSAGE142 Duplicate message MessageID &1 SenderID &2 already exist in database indicates that there is an attempt to insert a message into the database that already exists. This typically occurs in the context of message handling or communication within SAP systems, particularly in scenarios involving message processing or integration.
  Cause:
  
  Duplicate Entry: The primary cause of this error is that the system is trying to insert a message with a MessageID and SenderID combination that already exists in the database.
  Data Integrity Issues: There may be issues with data integrity, where the same message is being processed multiple times due to a lack of proper checks.
  Concurrency Issues: If multiple processes are trying to insert the same message simultaneously, it can lead to this error.
  Configuration Errors: Incorrect configuration in the message handling settings may lead to attempts to reprocess messages that should not be reprocessed.
  
  Solution:
  
  Check for Existing Entries: Before inserting a new message, check the database to see if a message with the same MessageID and SenderID already exists. If it does, you may need to handle it accordingly (e.g., skip the insertion or update the existing record).
  Implement Unique Constraints: Ensure that the database table has unique constraints on the combination of MessageID and SenderID to prevent duplicates from being inserted.
  Review Message Processing Logic: Review the logic in your message processing to ensure that messages are not being sent or processed multiple times unnecessarily.
  Error Handling: Implement error handling in your application to gracefully manage situations where a duplicate message is detected.
  Database Cleanup: If there are orphaned or duplicate messages in the database, consider cleaning up the database to remove these entries.
  Consult Documentation: Check SAP documentation or notes related to the specific module you are working with for any known issues or additional guidance.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SE11 (Data Dictionary) to check the structure of the relevant database table or SE80 (Object Navigator) to review the related programs.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional context.
  Logs and Traces: Review application logs (transaction SLG1) or system logs (transaction SM21) for more details on the error occurrence and context.
  
  If the issue persists after trying the above solutions, it may be beneficial to engage with SAP support or your internal SAP team for further investigation.