/IWFND/MED_SVC_MU_LA009 - Default operation '&1' not defined as operation

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/MED_SVC_MU_LA -

• Message number: 009

• Message text: Default operation '&1' not defined as operation

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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AnswerBot

• What is the cause and solution for SAP error message /IWFND/MED_SVC_MU_LA009 - Default operation '&1' not defined as operation ?

  The SAP error message /IWFND/MED_SVC_MU_LA009 Default operation '&1' not defined as operation typically occurs in the context of SAP Gateway and OData services. This error indicates that the system is trying to access a default operation (like GET, POST, PUT, or DELETE) for an OData service, but that operation has not been defined in the service's metadata.
  Cause:
  
  Missing Operation Definition: The specified operation (e.g., GET, POST, etc.) is not defined in the service's metadata. This can happen if the service was not properly configured or if the operation was removed or not implemented.
  Service Registration Issues: The OData service may not be correctly registered or activated in the SAP Gateway.
  Model Issues: There may be issues with the data model or the service implementation that prevent the operation from being recognized.
  Authorization Issues: Sometimes, authorization issues can prevent the operation from being executed, leading to similar error messages.
  
  Solution:
  
  
  Check Service Implementation:
  
  Go to the transaction code /IWFND/MAINT_SERVICE and check if the service is correctly registered and activated.
  Ensure that the operation you are trying to call is implemented in the service.
  
  
  
  Define the Missing Operation:
  
  If the operation is missing, you need to implement it in the service. This can be done in the service's implementation class (e.g., using the transaction code SE80 or SE24).
  Make sure to define the operation in the service's metadata.
  
  
  
  Regenerate the Service:
  
  If you have made changes to the service implementation, you may need to regenerate the service. You can do this by using the transaction /IWFND/MAINT_SERVICE and selecting the service, then clicking on "Regenerate".
  
  
  
  Check Authorization:
  
  Ensure that the user has the necessary authorizations to execute the operation. Check the roles and authorizations assigned to the user.
  
  
  
  Debugging:
  
  If the issue persists, you can debug the service to see where it fails. Use transaction SE80 to analyze the service implementation and check for any logical errors.
  
  
  
  Check for Notes and Patches:
  
  Sometimes, this error can be related to bugs in the SAP system. Check the SAP Support Portal for any relevant notes or patches that might address this issue.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  /IWFND/MAINT_SERVICE: Manage OData services.
  SE80: Object Navigator for development.
  SE24: Class Builder for ABAP classes.
  
  
  
  SAP Documentation: Refer to the official SAP documentation for OData services and SAP Gateway for more detailed information on service implementation and troubleshooting.
  
  
  By following these steps, you should be able to identify and resolve the issue related to the error message /IWFND/MED_SVC_MU_LA009.