How To Fix SADL_GW_DT_SB_API002 - Primary key of entity &1 was bound to entity set &2

SAP Error Message - Details

• Message type: E = Error

• Message class: SADL_GW_DT_SB_API - SADL Gateway integration: Messages for design time API

• Message number: 002

• Message text: Primary key of entity &1 was bound to entity set &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SADL_GW_DT_SB_API002 - Primary key of entity &1 was bound to entity set &2 ?

  The SAP error message SADL_GW_DT_SB_API002 indicates that there is an issue with the binding of the primary key of an entity to an entity set in the context of the SAP Gateway and the SAP Data Access Layer (SADL). This error typically arises when there is a mismatch or misconfiguration in the way the primary key is defined or used in the OData service.
  Cause:
  
  Primary Key Mismatch: The primary key defined in the entity does not match the expected primary key in the entity set.
  Entity Set Configuration: The entity set may not be properly configured to handle the primary key of the entity.
  Data Model Issues: There may be issues in the underlying data model or the way the entities are defined in the ABAP Dictionary.
  Service Registration: The OData service may not be correctly registered or activated in the SAP Gateway.
  
  Solution:
  
  Check Entity Definition: Verify the definition of the entity and ensure that the primary key is correctly defined in the ABAP Dictionary.
  Review Entity Set Configuration: Ensure that the entity set is correctly configured to include the primary key. This can be done in the service definition in the SAP Gateway.
  Adjust OData Service: If necessary, regenerate the OData service or adjust the service implementation to ensure that the primary key is correctly handled.
  Service Activation: Make sure that the OData service is activated in the SAP Gateway. You can do this using transaction code /IWFND/MAINT_SERVICE.
  Check for Updates: If you are using a custom implementation, ensure that you have the latest updates and patches applied to your SAP system, as there may be bug fixes related to this issue.
  
  Related Information:
  
  Transaction Codes: 
  
  /IWFND/MAINT_SERVICE: To manage OData services.
  SE80: To check the data model and entity definitions.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on best practices for entity and entity set configuration.
  Documentation: Review the SAP Gateway documentation for guidelines on defining entities and entity sets, as well as handling primary keys.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or development team for further analysis and troubleshooting.