How To Fix >1479 - Response already exists for transaction ID &1.

SAP Error Message - Details

• Message type: E = Error

• Message class: >1 - Shockwave SAPGUI message handling

• Message number: 479

• Message text: Response already exists for transaction ID &1.

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message >1479 - Response already exists for transaction ID &1. ?

  The SAP error message "1479 Response already exists for transaction ID &1" typically occurs in the context of SAP's communication with external systems, particularly when dealing with asynchronous processing or when handling responses to requests made to external services.
  Cause:
  This error indicates that a response for a specific transaction ID has already been received and processed. The system is designed to prevent duplicate processing of responses to ensure data integrity and consistency. The transaction ID is a unique identifier for a specific request-response pair, and if the system detects that a response for that ID has already been recorded, it raises this error.
  Possible Causes Include:
  
  Duplicate Response: The external system may have sent the same response multiple times.
  Network Issues: Network problems may cause the same response to be received more than once.
  System Configuration: Incorrect configuration in the integration settings may lead to improper handling of transaction IDs.
  Timing Issues: If the response is processed before the request is fully completed, it may lead to this error.
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Check for Duplicate Responses:
  
  Investigate the external system to see if it is sending duplicate responses for the same transaction ID.
  Review logs in both SAP and the external system to identify any anomalies.
  
  
  
  Review Transaction Processing:
  
  Ensure that the transaction ID is unique for each request and that responses are not being processed multiple times.
  Check if there are any timing issues that might cause the response to be processed before the request is fully completed.
  
  
  
  Adjust System Configuration:
  
  Review the configuration settings related to the integration with the external system. Ensure that they are set up correctly to handle responses appropriately.
  
  
  
  Error Handling Logic:
  
  Implement or enhance error handling logic in your integration to manage duplicate responses gracefully.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific module or integration scenario you are working with for any additional guidance.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot identify the root cause, consider reaching out to SAP support for assistance. Provide them with detailed logs and context to help diagnose the issue.
  
  
  
  Related Information:
  
  Transaction ID: Understand how transaction IDs are generated and managed in your specific SAP environment.
  Integration Scenarios: Familiarize yourself with the integration scenarios you are using (e.g., IDocs, RFC, BAPIs) to better understand how responses are handled.
  SAP Notes: Search for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to prevent it from occurring in the future.