How To Fix /IWNGW/CM_HUB150 - Notification not sent to User &1 on SAP Cloud Notification Service

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWNGW/CM_HUB -

• Message number: 150

• Message text: Notification not sent to User &1 on SAP Cloud Notification Service

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_HUB150 - Notification not sent to User &1 on SAP Cloud Notification Service ?

  The SAP error message /IWNGW/CM_HUB150 Notification not sent to User &1 typically indicates that there was an issue with sending a notification to a specified user through the SAP Cloud Notification Service. This error can arise due to various reasons, and understanding the cause and potential solutions can help in resolving the issue.
  Possible Causes:
  
  User Not Registered: The user specified in the error message may not be registered in the SAP Cloud Notification Service.
  Invalid User ID: The user ID provided may be incorrect or not formatted properly.
  Service Configuration Issues: There may be issues with the configuration of the SAP Cloud Notification Service, such as missing or incorrect settings.
  Network Issues: Connectivity problems between the SAP system and the SAP Cloud Notification Service can prevent notifications from being sent.
  Authorization Issues: The user may not have the necessary authorizations to receive notifications.
  Service Availability: The SAP Cloud Notification Service may be down or experiencing issues.
  
  Solutions:
  
  
  Check User Registration:
  
  Ensure that the user ID specified in the error message is registered in the SAP Cloud Notification Service. You can verify this in the user management section of the service.
  
  
  
  Validate User ID:
  
  Double-check the user ID for any typos or formatting issues. Ensure it matches the expected format.
  
  
  
  Review Service Configuration:
  
  Check the configuration settings of the SAP Cloud Notification Service. Ensure that all required parameters are correctly set up.
  
  
  
  Test Connectivity:
  
  Verify network connectivity between your SAP system and the SAP Cloud Notification Service. You can perform a ping test or check for any firewall issues.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to receive notifications. Review the roles and permissions assigned to the user.
  
  
  
  Monitor Service Status:
  
  Check the status of the SAP Cloud Notification Service to see if there are any ongoing issues or maintenance activities that could affect service availability.
  
  
  
  Review Logs:
  
  Look into the application logs for more detailed error messages or warnings that could provide additional context about the failure.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. Provide them with the error message and any relevant logs for a more efficient resolution.
  
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for the Cloud Notification Service for detailed configuration and troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Updates and Patches: Ensure that your SAP system is up to date with the latest patches and updates, as these can sometimes resolve underlying issues.
  
  By following these steps, you should be able to identify and resolve the issue related to the notification not being sent to the specified user.