How To Fix EDESK_COMM_PIO_EXT002 - Invalid Session ID &1 while calling RFC &2

SAP Error Message - Details

• Message type: E = Error

• Message class: EDESK_COMM_PIO_EXT - Engineering Desktop: Partner Integration Outbound (external)

• Message number: 002

• Message text: Invalid Session ID &1 while calling RFC &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_COMM_PIO_EXT002 - Invalid Session ID &1 while calling RFC &2 ?

  The SAP error message EDESK_COMM_PIO_EXT002 indicates that there is an issue with the session ID when trying to call a Remote Function Call (RFC). This error typically arises in scenarios where there is a communication problem between the SAP system and an external system or service.
  Cause:
  
  Invalid Session ID: The session ID being used in the RFC call is either expired, invalid, or not recognized by the system.
  Network Issues: There may be network connectivity issues that prevent the SAP system from properly communicating with the external system.
  Configuration Issues: Incorrect configuration settings in the RFC destination or the external system can lead to this error.
  Session Timeout: The session may have timed out due to inactivity or other reasons.
  Authorization Issues: The user or service account making the RFC call may not have the necessary permissions to access the session.
  
  Solution:
  
  Check Session ID: Verify that the session ID being used is valid and has not expired. If necessary, re-establish the session.
  Network Connectivity: Ensure that there are no network issues between the SAP system and the external system. Check firewalls, VPNs, and other network configurations.
  RFC Configuration: Review the RFC destination settings in transaction SM59. Ensure that the connection parameters are correct and that the destination is properly configured.
  Session Management: If the session is managed by an external application, ensure that it is correctly handling session creation and expiration.
  Authorization Check: Verify that the user or service account has the necessary authorizations to perform the RFC call.
  Logs and Traces: Check the SAP application logs (transaction SLG1) and system logs for any additional error messages or warnings that could provide more context about the issue.
  
  Related Information:
  
  Transaction Codes:
  
  SM59: To manage RFC destinations.
  SLG1: To view application logs.
  ST22: To check for dumps that may provide additional information.
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the documentation for the external system or service you are trying to connect to, as it may have specific requirements for session management.
  
  If the issue persists after following these steps, consider reaching out to SAP support or your system administrator for further assistance.