How To Fix /IWFND/CM_MGW307 - Service cannot be deleted, delete system aliases first


SAP Error Message - Details

  • Message type: E = Error

  • Message class: /IWFND/CM_MGW -

  • Message number: 307

  • Message text: Service cannot be deleted, delete system aliases first

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  • 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_MGW307 - Service cannot be deleted, delete system aliases first ?

    The SAP error message /IWFND/CM_MGW307 Service cannot be deleted, delete system aliases first typically occurs when you attempt to delete a service in the SAP Gateway that is still associated with one or more system aliases. System aliases are used to define connections to backend systems for OData services.

    Cause:

    The error arises because the service you are trying to delete has dependencies on system aliases. In SAP Gateway, a service can be linked to one or more system aliases, and you must remove these associations before you can delete the service itself.

    Solution:

    To resolve this error, you need to follow these steps:

    1. Identify the System Aliases:

      • Go to the SAP Gateway Service Builder (transaction code SEGW).
      • Open the project that contains the service you want to delete.
      • Navigate to the "Service Maintenance" section (transaction code /IWFND/MAINT_SERVICE).
      • Check the list of system aliases associated with the service.
    2. Delete the System Aliases:

      • In the same "Service Maintenance" section, find the system aliases linked to the service.
      • Select the system alias(es) and delete them. This can usually be done by selecting the alias and choosing the delete option.
    3. Delete the Service:

      • Once all associated system aliases have been deleted, you can now proceed to delete the service.
      • Go back to the "Service Maintenance" section and select the service you want to delete.
      • Choose the delete option to remove the service.
    4. Check for Dependencies:

      • If you encounter any further issues, ensure that there are no other dependencies or references to the service or system aliases in other configurations.

    Related Information:

    • Transaction Codes:

      • SEGW: Service Builder for OData services.
      • /IWFND/MAINT_SERVICE: Service Maintenance for managing OData services.
    • Documentation:

      • Refer to SAP Help documentation for OData services and SAP Gateway for more detailed information on managing services and system aliases.
    • Best Practices:

      • Always check for dependencies before attempting to delete services or aliases.
      • Consider backing up configurations or documenting the current state before making changes.

    By following these steps, you should be able to resolve the error and successfully delete the service in question.

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