Message type: E = Error
Message class:  /IWBEP/SBOD -  
Message number: 013
Message text: Association '&1' with association end '&2' does not exist
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The SAP error message /IWBEP/SBOD013 indicates that there is an issue with an association in an OData service. Specifically, it means that the association you are trying to use does not exist or is not properly defined in the data model. Here’s a breakdown of the cause, potential solutions, and related information: Cause Missing Association Definition: The association you are trying to reference in your OData service is not defined in the data model. Typographical Error: There may be a typo in the association name or the association end name in your OData service or in the metadata. Incorrect Service Implementation: The OData service may not be correctly implemented to include the necessary associations. Model Changes: If the underlying data model has changed (e.g., associations were removed or renamed), the OData service may not have been updated accordingly. Solution Check Association Definition: Go to the data model definition in the SAP Gateway Service Builder (transaction code SEGW). Verify that
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