How To Fix SPXN103 - Request qname &1 &2 occurs more than once

SAP Error Message - Details

• Message type: E = Error

• Message class: SPXN - Proxy Generation

• Message number: 103

• Message text: Request qname &1 &2 occurs more than once

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SPXN103 - Request qname &1 &2 occurs more than once ?

  The SAP error message SPXN103 indicates that a request with the specified QName (Qualified Name) occurs more than once in the context of a specific operation, typically related to web services or XML processing. This error can arise in various scenarios, such as when dealing with SAP PI/PO (Process Integration/Process Orchestration) or when integrating with external systems.
  Cause:
  
  
  Duplicate Requests: The error usually occurs when the same request is being processed multiple times, which can happen due to:
  
  Network issues causing retries.
  Misconfiguration in the integration flow.
  Logic errors in the application that sends the requests.
  
  
  
  Incorrect Mapping: If the mapping of the XML structure is not correctly defined, it may lead to the same QName being generated multiple times.
  
  
  Concurrency Issues: If multiple threads or processes are trying to send the same request simultaneously, it can lead to this error.
  
  
  Solution:
  
  
  Check for Duplicates: Review the logs and the request data to identify if the same request is being sent multiple times. Ensure that the sending application is not retrying requests unnecessarily.
  
  
  Adjust Configuration: If you are using SAP PI/PO, check the configuration of the integration flow. Ensure that the message mapping and interface mapping are correctly set up to avoid generating duplicate QNames.
  
  
  Implement Idempotency: If applicable, implement idempotency in your service calls. This means that making the same request multiple times should not change the result beyond the initial application.
  
  
  Error Handling: Enhance error handling in your application to manage retries and avoid sending duplicate requests.
  
  
  Review Concurrency Control: If the issue is related to concurrency, consider implementing locks or other mechanisms to prevent multiple threads from sending the same request simultaneously.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Logs and Traces: Analyze the application logs and traces to get more context about when and why the error is occurring.
  Documentation: Review the relevant SAP documentation for the specific module or integration technology you are using to understand the expected behavior and configuration options.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with detailed logs and context about the issue.