How To Fix /IWFND/CM_MGW401 - Subscription create failed

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_MGW -

• Message number: 401

• Message text: Subscription create failed

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_MGW401 - Subscription create failed ?

  The SAP error message /IWFND/CM_MGW401 Subscription create failed typically occurs in the context of SAP Gateway and OData services when there is an issue with creating a subscription for a service. This error can arise due to various reasons, including configuration issues, authorization problems, or data inconsistencies.
  Causes:
  
  Authorization Issues: The user may not have the necessary permissions to create a subscription.
  Service Configuration: The OData service may not be properly configured or activated.
  Data Validation Errors: The data being sent in the subscription request may not meet the required validation criteria.
  Backend Issues: There may be issues with the backend system that the OData service is trying to connect to.
  Network Issues: Connectivity problems between the SAP Gateway and the backend system can also lead to this error.
  
  Solutions:
  
  Check Authorizations: Ensure that the user has the necessary authorizations to create subscriptions. This can be done by reviewing the roles and authorizations assigned to the user.
  Service Activation: Verify that the OData service is activated in the SAP Gateway. You can check this in the SAP Gateway Service Builder (transaction code /IWFND/MAINT_SERVICE).
  Review Request Data: Check the data being sent in the subscription request for any inconsistencies or validation errors. Ensure that all required fields are populated correctly.
  Check Backend Connectivity: Ensure that the SAP Gateway can communicate with the backend system. You can test this by checking the connection settings and using transaction codes like SM59 to verify RFC connections.
  Review Logs: Check the SAP Gateway logs for more detailed error messages. You can use transaction code /IWFND/ERROR_LOG to view error logs related to OData services.
  Debugging: If the issue persists, consider debugging the OData service to identify where the failure occurs in the code.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for OData services and SAP Gateway for best practices and configuration guidelines.
  Community Forums: Engage with the SAP Community or forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the root cause of the /IWFND/CM_MGW401 Subscription create failed error and implement a suitable solution.