How To Fix AXT_MODEL195 - BOL model for the Web service is empty

SAP Error Message - Details

• Message type: E = Error

• Message class: AXT_MODEL -

• Message number: 195

• Message text: BOL model for the Web service is empty

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message AXT_MODEL195 - BOL model for the Web service is empty ?

  The SAP error message AXT_MODEL195 indicates that the BOL (Business Object Layer) model for a web service is empty. This typically occurs in the context of SAP Gateway or OData services when the system is unable to find or generate the necessary data model for the requested service.
  Cause:
  
  Missing or Incorrect Configuration: The BOL model may not be properly configured or may be missing entirely. This can happen if the service was not activated correctly or if there are issues with the underlying data model.
  Data Model Issues: The data model that the web service is supposed to expose might not have any data or might not be correctly defined.
  Authorization Issues: The user may not have the necessary authorizations to access the data model, leading to an empty response.
  Service Activation: The OData service might not be activated in the SAP Gateway or the service might not be registered correctly.
  
  Solution:
  
  
  Check Service Activation:
  
  Go to the SAP Gateway Service Builder (transaction code /IWFND/MAINT_SERVICE).
  Ensure that the service is activated and properly registered.
  
  
  
  Review Data Model:
  
  Check the underlying data model for the OData service. Ensure that the data sources are correctly defined and that there is data available in the database.
  Use transaction codes like SE11 or SE80 to inspect the data model and ensure that it is correctly set up.
  
  
  
  Check Authorizations:
  
  Verify that the user has the necessary authorizations to access the data model. This can be done by checking the roles assigned to the user and ensuring they have access to the relevant objects.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the OData service to see where the data retrieval is failing. You can use transaction code /IWFND/ERROR_LOG to check for any runtime errors that might provide more context.
  
  
  
  Rebuild the Model:
  
  If the model is corrupted or not functioning as expected, you may need to rebuild it. This can involve regenerating the BOL model or re-creating the OData service.
  
  
  
  Check for Notes and Patches:
  
  Sometimes, specific issues are addressed in SAP Notes or patches. Check the SAP Support Portal for any relevant notes that might address this error.
  
  
  
  Related Information:
  
  SAP Gateway: Understand the architecture of SAP Gateway and how it interacts with the BOL and OData services.
  BOL Model: Familiarize yourself with the Business Object Layer and how it is used to represent business data in SAP.
  OData Services: Learn about OData services and how they are created and consumed in SAP environments.
  
  If the problem continues after trying these solutions, it may be beneficial to consult with your SAP Basis or development team for further assistance.