/IWFND/CM_CNP039 - List of active consumers is empty

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_CNP -

• Message number: 039

• Message text: List of active consumers is empty

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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AnswerBot

• What is the cause and solution for SAP error message /IWFND/CM_CNP039 - List of active consumers is empty ?

  The SAP error message /IWFND/CM_CNP039 List of active consumers is empty typically occurs in the context of SAP Gateway and OData services. This error indicates that there are no active consumers (clients) available for the OData service you are trying to access. Here are some potential causes, solutions, and related information:
  Causes:
  
  No Active Clients: There may be no active clients or consumers configured for the OData service.
  Service Not Registered: The OData service might not be properly registered or activated in the SAP Gateway.
  Authorization Issues: The user may not have the necessary authorizations to access the OData service.
  Service Configuration Issues: There could be issues with the service configuration or the service itself might not be implemented correctly.
  Network Issues: There may be network connectivity issues preventing the consumer from reaching the service.
  
  Solutions:
  
  
  Check Service Registration:
  
  Go to the SAP Gateway Service Builder (transaction code /IWFND/MAINT_SERVICE).
  Ensure that the OData service is registered and activated for the relevant system and client.
  
  
  
  Activate the Service:
  
  If the service is not active, activate it by selecting the service and clicking on the "Activate" button.
  
  
  
  Check Authorization:
  
  Ensure that the user has the necessary authorizations to access the OData service. You can check this in transaction SU53 after attempting to access the service.
  
  
  
  Review Service Implementation:
  
  If you are the developer, review the implementation of the OData service to ensure that it is correctly defined and implemented.
  
  
  
  Check System Logs:
  
  Use transaction SLG1 to check the application logs for any related error messages that might provide more context.
  
  
  
  Network Configuration:
  
  Ensure that there are no network issues preventing the consumer from accessing the service. Check firewall settings, proxy configurations, etc.
  
  
  
  Testing with a Different Client:
  
  Try accessing the OData service using a different client (e.g., Postman, SAP Fiori Launchpad) to see if the issue persists.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Documentation: Review the SAP Gateway documentation for more information on service registration and activation.
  Community Forums: Consider searching or posting on SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the issue related to the /IWFND/CM_CNP039 error message.