How To Fix SDDL_PARSER_MSG185 - Join type information is lost for the exposed association

SAP Error Message - Details

• Message type: E = Error

• Message class: SDDL_PARSER_MSG - Message Class for DDL Parser

• Message number: 185

• Message text: Join type information is lost for the exposed association

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SDDL_PARSER_MSG185 - Join type information is lost for the exposed association ?

  The SAP error message SDDL_PARSER_MSG185 indicates that there is an issue with the join type information for an exposed association in your SAP system. This typically occurs in the context of SAP Gateway or OData services when there is a problem with the way associations are defined in the data model.
  Cause:
  
  Association Definition Issues: The error often arises when the associations between entities in your data model are not properly defined. This can happen if the join type (e.g., inner join, outer join) is not specified or is incorrectly configured.
  Model Changes: If there have been recent changes to the underlying data model (like adding or modifying associations) without properly updating the service or regenerating the metadata, it can lead to this error.
  Inconsistent Metadata: The metadata exposed by the OData service may not match the underlying data model, leading to loss of join type information.
  
  Solution:
  
  Check Association Definitions: Review the associations in your data model. Ensure that all associations are correctly defined with the appropriate join types. This can be done in the ABAP Dictionary (SE11) or in the relevant data model tools.
  Regenerate OData Service: If you have made changes to the data model, regenerate the OData service. This can be done using transaction /IWFND/MAINT_SERVICE to update the service and ensure that the metadata is in sync with the data model.
  Check Service Implementation: If you are implementing custom logic in your OData service, ensure that the join types are correctly handled in your implementation.
  Test the Service: After making changes, test the OData service to ensure that the error is resolved and that the associations are functioning as expected.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE80 (Object Navigator), and /IWFND/MAINT_SERVICE (Manage OData Services).
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling associations in OData services.
  Documentation: Review SAP documentation on OData services and data modeling to ensure best practices are followed.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the steps you have taken to resolve it.