Message type: E = Error
Message class:  SADL_RAP_OPXY_EDMX - RESTful ABAP Odata Proxy Support 
Message number: 015
Message text: DDL artifact &1 contains errors, generation cancelled.
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The SAP error message SADL_RAP_OPXY_EDMX015 DDL artifact &1 contains errors, generation cancelled typically occurs in the context of the SAP RAP (Rapid Application Programming) model when there are issues with the Data Definition Language (DDL) artifacts. This error indicates that there are errors in the DDL definition that prevent the generation of the necessary artifacts for the RAP application. Causes: Syntax Errors: There may be syntax errors in the DDL definitions, such as incorrect data types, missing semicolons, or other formatting issues. Inconsistent Annotations: Annotations that are not correctly defined or are inconsistent with the expected structure can lead to this error. Missing Dependencies: If the DDL artifact references other objects (like tables or views) that do not exist or are not correctly defined, it can cause this error. Invalid Relationships: Issues with relationships between entities, such as foreign key constraints that are not properly defined. Versioning Issues: If there are versioning issues with the underlying
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