Message type: E = Error
Message class:  /IWBEP/CM_V4_MED -  
Message number: 283
Message text: Dynamic properties cannot be added by a model provider class.
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The SAP error message /IWBEP/CM_V4_MED283 indicates that there is an issue with the dynamic properties in an OData service, specifically that dynamic properties cannot be added by a model provider class. This error typically arises in the context of SAP Gateway and OData services when there is an attempt to add dynamic properties to an entity that is not supported by the model provider class.
Cause: Dynamic Properties Misconfiguration: The error usually occurs when the OData service tries to add dynamic properties to an entity that is not configured to support them. Dynamic properties are typically used to extend the data model at runtime, but not all model provider classes allow for this. Model Provider Class Limitations: The model provider class being used may not be designed to handle dynamic properties. This can happen if the class is not properly implemented or if it is a standard class that does not support dynamic
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