How To Fix GW769 - An invalid parameter was passed to the CPIC function

SAP Error Message - Details

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 769

• Message text: An invalid parameter was passed to the CPIC function

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message GW769 - An invalid parameter was passed to the CPIC function ?

  The SAP error message GW769, which states "An invalid parameter was passed to the CPIC function," typically indicates an issue with the communication between the SAP system and an external system or service. CPIC (Common Programming Interface Communication) is a protocol used for communication between SAP systems and other systems.
  Causes:
  
  Invalid Parameters: The error often arises when invalid or unexpected parameters are passed to a CPIC function. This could be due to incorrect configuration or data being sent to the function.
  Network Issues: Problems with the network connection between the SAP system and the external system can lead to this error.
  Configuration Errors: Incorrect settings in the SAP system or the external system (like RFC destinations) can cause this issue.
  Version Mismatch: If there is a version mismatch between the SAP system and the external system, it may lead to incompatibility in communication.
  Resource Limitations: Insufficient resources (like memory or CPU) on the server can also lead to this error.
  
  Solutions:
  
  Check Parameters: Review the parameters being passed to the CPIC function. Ensure that they are valid and conform to the expected format.
  RFC Destination Configuration: Verify the configuration of the RFC destination in transaction SM59. Ensure that the connection parameters are correct and that the destination is reachable.
  Network Connectivity: Check the network connectivity between the SAP system and the external system. Use tools like ping or traceroute to diagnose any network issues.
  Review Logs: Check the SAP system logs (transaction SM21) and the application logs (transaction SLG1) for any additional error messages that may provide more context.
  Update SAP Notes: Look for relevant SAP Notes that may address this specific error. Sometimes, applying a patch or update can resolve underlying issues.
  Test Connection: Use the Test Connection feature in transaction SM59 to ensure that the RFC destination is working correctly.
  Check System Resources: Monitor the system resources to ensure that the SAP server has enough memory and CPU available.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for more details on CPIC and RFC communication.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed logs and error messages.
  
  By following these steps, you should be able to diagnose and resolve the GW769 error in your SAP environment.