Message type: E = Error
Message class:  /IWBEP/CM_CP -  
Message number: 066
Message text: Description of proxy model '&1' version '&2' missing
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The SAP error message /IWBEP/CM_CP066 indicates that there is a missing description for a proxy model in the SAP Gateway framework. This typically occurs when the system is unable to find the metadata or description for a specific version of a proxy model that is being referenced.
Cause: Missing Metadata: The proxy model's metadata might not have been generated or activated properly. Version Mismatch: The version of the proxy model being referenced may not exist or may have been deleted. Transport Issues: If the proxy model was transported from another system, the transport might not have included all necessary components.
Configuration Issues: There may be configuration issues in the SAP Gateway or OData service that prevent the model from being recognized.
Solution: Check Proxy Model: Verify that the proxy model exists in the system. You can do this by navigating to the relevant transaction (e.g., /IWFND/MAINT_SERVICE for OData services) and checking the list of available services. Regenerate Metadata:
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