How To Fix EDESK_PIO_WS002 - Invalid session ID &1 for function &2

SAP Error Message - Details

• Message type: E = Error

• Message class: EDESK_PIO_WS - E-Desktop: Partner Integration Outbound Web Service

• Message number: 002

• Message text: Invalid session ID &1 for function &2

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 EDESK_PIO_WS002 - Invalid session ID &1 for function &2 ?

  The SAP error message EDESK_PIO_WS002 Invalid session ID &1 for function &2 typically indicates that there is an issue with the session ID being used in a web service call or a remote function call (RFC). This error can occur in various scenarios, particularly when dealing with web services or integration scenarios in SAP.
  Cause:
  
  Expired Session: The session ID may have expired due to inactivity or timeout settings.
  Invalid Session ID: The session ID being passed may not be valid or may have been incorrectly generated.
  Network Issues: There may be network issues causing the session ID to be lost or corrupted during transmission.
  Configuration Issues: Incorrect configuration in the web service or RFC settings can lead to session management problems.
  Concurrency Issues: If multiple requests are made using the same session ID, it may lead to conflicts.
  
  Solution:
  
  Regenerate Session ID: Ensure that a new session ID is generated for the web service call. This can often be done by re-authenticating or re-establishing the connection.
  Check Session Timeout Settings: Review the session timeout settings in your SAP system and adjust them if necessary to prevent premature expiration.
  Review Configuration: Check the configuration of the web service or RFC destination to ensure that it is set up correctly.
  Network Stability: Ensure that the network connection is stable and that there are no interruptions that could affect session management.
  Error Handling: Implement error handling in your application to gracefully manage session-related errors and retry the operation if necessary.
  Consult SAP Notes: Look for any relevant SAP Notes or documentation that may address this specific error message or provide additional troubleshooting steps.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for web services and RFCs for best practices on session management.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Transaction Codes: Use transaction codes like SM21 (System Log) or ST22 (Dump Analysis) to check for any related system logs or dumps that may provide more context on the error.
  
  If the issue persists after trying the above solutions, it may be beneficial to involve your SAP Basis team or consult with SAP support for further assistance.