How To Fix SADL_GW003 - Entity '&1' of entity set '&2' with entity type '&3' is unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: SADL_GW -

• Message number: 003

• Message text: Entity '&1' of entity set '&2' with entity type '&3' is unknown

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SADL_GW003 - Entity '&1' of entity set '&2' with entity type '&3' is unknown ?

  The SAP error message SADL_GW003 typically indicates that there is an issue with the entity being accessed in the context of the SAP Gateway and the Service Data Layer (SDAL). This error occurs when the system cannot recognize the specified entity in the given entity set or entity type. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause
  
  Entity Not Defined: The entity you are trying to access is not defined in the OData service or the underlying data model.
  Incorrect Entity Set: The entity set you are trying to access does not contain the specified entity.
  Service Not Activated: The OData service might not be activated in the SAP Gateway.
  Authorization Issues: The user may not have the necessary authorizations to access the specified entity.
  Data Model Changes: Changes in the underlying data model (like deletion or renaming of entities) that are not reflected in the OData service.
  
  Solutions
  
  
  Check Entity Definition:
  
  Verify that the entity is correctly defined in the OData service. You can do this by checking the service metadata (usually accessible via the service URL with $metadata).
  
  
  
  Validate Entity Set:
  
  Ensure that the entity set you are trying to access actually contains the entity you are referencing. This can be checked in the service definition.
  
  
  
  Activate OData Service:
  
  If the service is not activated, you can activate it using transaction code /IWFND/MAINT_SERVICE. Ensure that the service is listed and activated.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access the entity. You may need to check the roles and authorizations assigned to the user.
  
  
  
  Refresh Service:
  
  If there have been changes to the underlying data model, you may need to refresh the OData service. This can be done by re-generating the service or updating the service definition.
  
  
  
  Debugging:
  
  If the issue persists, consider using transaction /IWFND/ERROR_LOG to check for any additional error messages that might provide more context.
  
  
  
  Related Information
  
  OData Services: Understanding how OData services work in SAP can help in troubleshooting issues related to entity access.
  SAP Gateway: Familiarity with the SAP Gateway framework and its components can provide insights into how entities are managed and accessed.
  SAP Notes: Check for any relevant SAP Notes that might address known issues related to this error message.
  Documentation: Refer to the official SAP documentation for the specific version of SAP you are using for more detailed information on OData services and the Service Data Layer.
  
  By following these steps, you should be able to identify and resolve the issue related to the SADL_GW003 error message.