Message type: E = Error
Message class:  /IWBEP/CM_SBMG -  
Message number: 033
Message text: Provide Model Name and Version!
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The SAP error message /IWBEP/CM_SBMG033 typically indicates that a model name and version are required but not provided in the context of an OData service or a related configuration. This error is often encountered in the SAP Gateway or when working with SAP Fiori applications.
Cause: Missing Model Name and Version: The error occurs when the system expects a model name and version to be specified, but they are either missing or incorrectly configured.
Configuration Issues: There may be issues in the configuration of the OData service or the underlying data model. Service Activation: The OData service may not be properly activated or registered in the SAP Gateway.
Solution: Provide Model Name and Version: Ensure that the request being made to the OData service includes the correct model name and version. This is typically done in the service URL or in the request headers. Check OData Service Configuration: Go to the SAP Gateway Service Builder (transaction code SEGW) and
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