How To Fix /BSNAGT/MESSAGE149 - Duplicate message; MessageID &1 SenderID &2 failed to save to database

SAP Error Message - Details

• Message type: E = Error

• Message class: /BSNAGT/MESSAGE -

• Message number: 149

• Message text: Duplicate message; MessageID &1 SenderID &2 failed to save to database

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /BSNAGT/MESSAGE149 - Duplicate message; MessageID &1 SenderID &2 failed to save to database ?

  The SAP error message /BSNAGT/MESSAGE149 Duplicate message; MessageID &1 SenderID &2 failed to save to database typically indicates that there is an attempt to save a message in the database that already exists, leading to a conflict due to duplication. This error is often encountered in the context of message processing in SAP systems, particularly in applications that handle messaging or notifications.
  Cause:
  
  Duplicate Entry: The primary cause of this error is that the system is trying to insert a message into the database that has the same MessageID and SenderID as an existing entry. This can happen if the same message is being processed multiple times or if there is a logic error in the application that generates messages.
  Concurrency Issues: If multiple processes are trying to save the same message simultaneously, it can lead to this error.
  Database Constraints: The database may have constraints (like unique keys) that prevent duplicate entries from being saved.
  
  Solution:
  
  Check for Duplicates: Before attempting to save a message, implement a check to see if a message with the same MessageID and SenderID already exists in the database. If it does, skip the save operation.
  Error Handling: Enhance error handling in the application to gracefully manage situations where a duplicate message is detected. This could involve logging the error and notifying the user or system administrator.
  Review Message Generation Logic: Investigate the logic that generates and sends messages to ensure that it does not inadvertently create duplicates. This may involve reviewing the code or configuration settings.
  Database Cleanup: If there are many duplicate entries in the database, consider running a cleanup process to remove unnecessary duplicates, ensuring that the database remains efficient and free of clutter.
  Concurrency Control: If the issue is related to concurrent processing, consider implementing locking mechanisms or using transactions to manage access to the message-saving functionality.
  
  Related Information:
  
  Transaction Codes: You may want to check transaction codes related to message processing, such as SM21 (System Log) or SLG1 (Application Log), to gather more information about the error context.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide patches and updates.
  Custom Development: If this error arises from custom development, review the ABAP code for potential issues in message handling logic.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to prevent it from occurring in the future.