How To Fix /IWBEP/CM_SB_COMPOS002 - No Models are assigned to the Service

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_SB_COMPOS -

• Message number: 002

• Message text: No Models are assigned to the Service

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.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_SB_COMPOS002 - No Models are assigned to the Service ?

  The SAP error message /IWBEP/CM_SB_COMPOS002 No Models are assigned to the Service typically occurs in the context of SAP Gateway and OData services. This error indicates that the OData service you are trying to access does not have any data models assigned to it, which means that the service cannot provide any data or functionality.
  Cause:
  
  No Data Model Assigned: The most common cause of this error is that the OData service has not been properly configured with a data model. This can happen if the service was created but the associated data model (Entity Types, Entity Sets) was not defined or linked.
  Service Activation Issues: The OData service may not be activated correctly in the SAP Gateway.
  Transport Issues: If the service was transported from one system to another, the data model might not have been included in the transport request.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access the data model.
  
  Solution:
  
  
  Check Service Configuration:
  
  Go to the SAP Gateway Service Builder (transaction code SEGW).
  Open the project associated with the OData service.
  Ensure that the data model (Entity Types and Entity Sets) is defined and properly linked to the service.
  
  
  
  Activate the Service:
  
  Use transaction code /IWFND/MAINT_SERVICE to check if the service is activated.
  If it is not activated, activate it and ensure that the correct data model is assigned.
  
  
  
  Rebuild the Service:
  
  If the service is not functioning as expected, you may need to rebuild it. In the Service Builder, you can regenerate the runtime artifacts.
  
  
  
  Check Transport Requests:
  
  If the service was transported, ensure that all necessary components (including the data model) were included in the transport request.
  
  
  
  Authorization Check:
  
  Verify that the user has the necessary authorizations to access the OData service and the underlying data model.
  
  
  
  Debugging:
  
  If the issue persists, you may need to debug the service to identify any underlying issues in the code or configuration.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific version of SAP Gateway you are using.
  Documentation: Refer to the official SAP documentation for OData services and SAP Gateway for detailed guidance on service creation and configuration.
  Community Forums: SAP Community and other forums can be helpful for finding similar issues faced by other users and their solutions.
  
  By following these steps, you should be able to resolve the error message /IWBEP/CM_SB_COMPOS002 No Models are assigned to the Service.