How To Fix /IWBEP/CM_SBMC_MPC011 - Entity '&1' is not defined

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_SBMC_MPC -

• Message number: 011

• Message text: Entity '&1' is not defined

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_SBMC_MPC011 - Entity '&1' is not defined ?

  The SAP error message /IWBEP/CM_SBMC_MPC011 Entity '&1' is not defined typically occurs in the context of SAP Gateway and OData services. This error indicates that the specified entity (represented by &1) is not recognized or defined in the OData service's metadata.
  Causes:
  
  Entity Not Defined: The entity you are trying to access is not defined in the OData model or the service.
  Service Activation: The OData service may not be activated or properly registered in the SAP Gateway.
  Model Configuration: There may be issues with the model configuration, such as missing or incorrect definitions in the Data Model Provider Class (MPC).
  Namespace Issues: The entity might be defined in a different namespace that is not being referenced correctly.
  Transport Issues: If the OData service was recently transported from one system to another, there may be inconsistencies in the definitions.
  
  Solutions:
  
  
  Check Entity Definition:
  
  Verify that the entity is defined in the Data Model Provider Class (MPC) and that it is correctly implemented in the Data Provider Class (DPC).
  Ensure that the entity name matches exactly with what you are trying to access, including case sensitivity.
  
  
  
  Activate OData Service:
  
  Go to the SAP Gateway Service Builder (transaction code /IWFND/MAINT_SERVICE) and check if the service is activated.
  If not, activate the service.
  
  
  
  Regenerate the Service:
  
  If changes were made to the model, regenerate the service by using the Service Builder (transaction code /IWBEP/SEGW).
  After regeneration, activate the service again.
  
  
  
  Check Metadata:
  
  Access the OData service metadata (usually at the URL http://<host>:<port>/sap/opu/odata/sap/<service_name>/$metadata) and verify that the entity is listed in the metadata.
  
  
  
  Review Namespace:
  
  Ensure that the correct namespace is being used in your requests. If the entity is defined in a different namespace, you need to reference it correctly.
  
  
  
  Check for Transport Issues:
  
  If the service was transported, ensure that all necessary objects (like the MPC and DPC classes) were included in the transport request.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the OData service to trace where the error is occurring. This can provide insights into whether the entity is being called correctly.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  /IWFND/MAINT_SERVICE: Manage OData services.
  /IWBEP/SEGW: Service Builder for OData services.
  
  
  
  Documentation: Refer to SAP Help documentation for OData services and SAP Gateway for more detailed information on service creation and troubleshooting.
  
  
  By following these steps, you should be able to identify and resolve the issue related to the error message /IWBEP/CM_SBMC_MPC011 Entity '&1' is not defined.