How To Fix /IWFND/CM_SUBSCR016 - OData Client - notification to &1 - &2 - failed - HTTP &3

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_SUBSCR -

• Message number: 016

• Message text: OData Client - notification to &1 - &2 - failed - HTTP &3

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 /IWFND/CM_SUBSCR016 - OData Client - notification to &1 - &2 - failed - HTTP &3 ?

  The SAP error message /IWFND/CM_SUBSCR016 typically indicates that there was a failure in sending a notification to an OData client. This error is related to the subscription mechanism in the SAP Gateway, which is used for notifications in OData services.
  Cause:
  The error message can be caused by several factors, including:
  
  Network Issues: There may be connectivity problems between the SAP system and the OData client.
  Client Unavailability: The OData client may not be available or may not be running.
  Incorrect URL: The URL configured for the OData client may be incorrect or unreachable.
  Authentication Issues: There may be issues with authentication or authorization when trying to send notifications to the client.
  Configuration Errors: The subscription or notification configuration in the SAP Gateway may not be set up correctly.
  HTTP Errors: The HTTP response code (&3 in the error message) can provide more context. Common HTTP errors include 404 (Not Found), 500 (Internal Server Error), etc.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  Check Network Connectivity: Ensure that the SAP system can reach the OData client. You can use tools like ping or telnet to test connectivity.
  Verify Client Availability: Make sure that the OData client is running and able to receive notifications.
  Check the URL: Review the URL configured for the OData client in the subscription settings. Ensure it is correct and accessible.
  Review Authentication: If the OData client requires authentication, ensure that the credentials are correct and that the SAP system has the necessary permissions to send notifications.
  Inspect Subscription Configuration: Check the subscription settings in the SAP Gateway to ensure they are correctly configured.
  Analyze HTTP Response Code: Look at the HTTP response code (&3) to understand the specific error. This can provide clues on what went wrong.
  Check Logs: Review the SAP Gateway logs for more detailed error messages that can help diagnose the issue.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like /IWFND/MAINT_SERVICE to manage OData services and subscriptions.
  SAP Notes: Check for any relevant SAP Notes that might address known issues related to this error.
  Documentation: Refer to the SAP Gateway documentation for more information on configuring notifications and subscriptions.
  
  By following these steps, you should be able to identify and resolve the issue causing the /IWFND/CM_SUBSCR016 error.