How To Fix SADL_GW013 - Cross service navigation not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: SADL_GW -

• Message number: 013

• Message text: Cross service navigation not supported

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SADL_GW013 - Cross service navigation not supported ?

  The SAP error message SADL_GW013 indicates that cross-service navigation is not supported in the context of the SAP Gateway and the Service Data Layer (SDL). This error typically arises when you attempt to navigate between different services or entities that are not configured to support such navigation.
  Cause:
  
  Service Configuration: The services involved may not be properly configured to allow cross-service navigation. This can happen if the services are not designed to interact with each other or if the necessary associations are not defined.
  Entity Relationships: The entities you are trying to navigate between may not have the required relationships or associations defined in the data model.
  Service Implementation: The implementation of the OData services may not support cross-service navigation due to design choices or limitations in the underlying data model.
  
  Solution:
  
  Check Service Definitions: Review the OData service definitions in the SAP Gateway Service Builder (transaction code SEGW) to ensure that the necessary associations and navigation properties are defined correctly.
  Define Associations: If the entities are related, ensure that you have defined the appropriate associations in the data model. This allows the OData service to understand how to navigate between different entities.
  Service Implementation: If you are developing custom services, ensure that your implementation supports the required navigation. This may involve modifying the service implementation to handle cross-service navigation.
  Use of Composite Services: If cross-service navigation is essential, consider creating a composite service that aggregates the required data from multiple services into a single service. This can simplify navigation and data retrieval.
  Check for Updates: Ensure that you are using the latest version of the SAP Gateway and that any relevant notes or patches have been applied. Sometimes, issues are resolved in newer releases.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the specific error message for any known issues or additional guidance.
  Documentation: Refer to the SAP Gateway and OData documentation for best practices on service design and implementation.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can provide insights or solutions.
  
  If the problem persists after following these steps, consider reaching out to SAP support for further assistance.