How To Fix /IWNGW/CM_HUB123 - Ping not sent through channel websocket as it is not active

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWNGW/CM_HUB -

• Message number: 123

• Message text: Ping not sent through channel websocket as it is not active

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 /IWNGW/CM_HUB123 - Ping not sent through channel websocket as it is not active ?

  The SAP error message /IWNGW/CM_HUB123 Ping not sent through channel websocket as it is not active typically indicates that there is an issue with the WebSocket connection in the SAP system, specifically related to the communication channel being inactive. This can occur in scenarios where the SAP Fiori applications or other web-based applications are trying to establish a WebSocket connection for real-time communication but are unable to do so because the channel is not active.
  Causes:
  
  Inactive WebSocket Channel: The WebSocket channel may not be properly initialized or activated in the SAP Gateway or backend system.
  Network Issues: There may be network connectivity issues preventing the WebSocket connection from being established.
  Configuration Issues: Incorrect configuration settings in the SAP Gateway or the application may lead to the WebSocket channel being inactive.
  Session Timeout: The session may have timed out, causing the WebSocket connection to become inactive.
  Browser Compatibility: Some browsers may have issues with WebSocket connections due to security settings or compatibility.
  
  Solutions:
  
  
  Check WebSocket Channel Status:
  
  Ensure that the WebSocket channel is active. You can check this in the SAP Gateway settings or the relevant configuration in the backend system.
  Use transaction code /IWFND/MAINT_SERVICE to check if the service is active.
  
  
  
  Restart the SAP Gateway:
  
  Sometimes, simply restarting the SAP Gateway can resolve issues with inactive channels.
  
  
  
  Review Network Configuration:
  
  Check for any firewall or proxy settings that might be blocking WebSocket connections.
  Ensure that the necessary ports for WebSocket communication are open.
  
  
  
  Session Management:
  
  If the issue is related to session timeouts, consider adjusting the session timeout settings in the SAP system.
  
  
  
  Browser Settings:
  
  Test the application in different browsers to rule out browser-specific issues.
  Clear the browser cache and cookies, as stale data can sometimes cause connection issues.
  
  
  
  Check Logs:
  
  Review the SAP Gateway logs for any additional error messages or warnings that could provide more context about the issue.
  
  
  
  Update SAP Components:
  
  Ensure that your SAP system and components are up to date, as updates may include fixes for known issues related to WebSocket connections.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to WebSocket connections and the specific error message.
  Documentation: Refer to the official SAP documentation for WebSocket configuration and troubleshooting.
  Community Forums: Engage with the SAP Community or forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.