Message type: E = Error
Message class:  SADL_GW_DT_SB_UI - Gateway Service Builder UI Integration for SADL 
Message number: 046
Message text: SADL Model Type &1 differ from expected type &2
An Association between different Entity Types is currently not supported
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message SADL_GW_DT_SB_UI046 typically occurs in the context of the SAP Gateway and the SAP Data Access Layer (SADL). This error indicates a mismatch between the expected model type and the actual model type being used in a service or application. Here’s a breakdown of the cause, potential solutions, and related information: Cause The error message SADL_GW_DT_SB_UI046 is triggered when there is a discrepancy between the model type defined in the service and the model type that the application is trying to access. This can happen due to several reasons: Model Definition Mismatch: The model type defined in the OData service does not match the type expected by the application. Changes in Data Model: If there have been recent changes to the underlying data model or the OData service, the application may still be referencing an older version.
Configuration Issues: Incorrect configuration in the service or application settings can lead to this error. Versioning
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