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Message type: E = Error
Message class:  /IWBEP/CM_CP -  
Message number: 019
Message text: Inappropriate cast between interfaces; Actual => '&1', expected => '&2'
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The SAP error message /IWBEP/CM_CP019 indicates that there is an inappropriate cast between interfaces in your SAP system. This typically occurs in the context of OData services when there is a mismatch between the expected and actual types of data being processed.
Cause: The error message is triggered when the system encounters a situation where it expects a certain interface type but receives a different one. This can happen due to several reasons, including: Model Mismatch: The OData model defined in the service does not match the actual data being returned from the backend. Incorrect Implementation: If a class or interface is incorrectly implemented or if there are changes in the data model that are not reflected in the service. Versioning Issues: If there are multiple versions of the OData service and the client is trying to access an incompatible version. Data Type Changes: Changes in the underlying data types or structures that are not reflected
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